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CVE-2025-66622 (GCVE-0-2025-66622)

Vulnerability from nvd – Published: 2025-12-09 02:07 – Updated: 2025-12-09 16:02

Title

matrix-sdk-base is vulnerable to DoS via custom m.room.join_rules event values

Summary

matrix-sdk-base is the base component to build a Matrix client library. Versions 0.14.1 and prior are unable to handle responses that include custom m.room.join_rules values due to a serialization bug. This can be exploited to cause a denial-of-service condition, if a user is invited to a room with non-standard join rules, the crate's sync process will stall, preventing further processing for all rooms. This is fixed in version 0.16.0.

Severity

1.3 (Low)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-755 - Improper Handling of Exceptional Conditions

Assigner

GitHub_M

References

4 references

URL	Tags
https://github.com/matrix-org/matrix-rust-sdk/sec…	x_refsource_CONFIRM
https://github.com/matrix-org/matrix-rust-sdk/pull/5924	x_refsource_MISC
https://github.com/matrix-org/matrix-rust-sdk/com…	x_refsource_MISC
https://rustsec.org/advisories/RUSTSEC-2025-0135.html	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
matrix-org	matrix-rust-sdk	Affected: < 0.16.0

Show details on NVD website

JSON

To clipboard

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CVE-2025-54315 (GCVE-0-2025-54315)

Vulnerability from nvd – Published: 2025-10-02 00:00 – Updated: 2025-10-02 19:33

Summary

The Matrix specification before 1.16 (i.e., with a room version before 12) lacks create event uniqueness.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-837 - Improper Enforcement of a Single, Unique Action

Assigner

mitre

References

2 references

URL	Tags
https://github.com/matrix-org/matrix-spec/release…
https://matrix.org/blog/2025/08/project-hydra-imp…

Impacted products

1 product

Vendor	Product	Version
Matrix	Matrix specification	Affected: 0 , < 1.16 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-49090 (GCVE-0-2025-49090)

Vulnerability from nvd – Published: 2025-10-02 00:00 – Updated: 2025-10-02 19:35

Summary

The Matrix specification before 1.16 (i.e., with a room version before 12 and State Resolution before 2.1) has deficient state resolution.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-642 - External Control of Critical State Data

Assigner

mitre

References

4 references

URL	Tags
https://matrix.org/blog/2025/08/security-release/
https://github.com/Nheko-Reborn/nheko/issues/1931
https://github.com/matrix-org/matrix-spec/release…
https://matrix.org/blog/2025/08/project-hydra-imp…

Impacted products

1 product

Vendor	Product	Version
Matrix	Matrix specification	Affected: 0 , < 1.16 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-30355 (GCVE-0-2025-30355)

Vulnerability from nvd – Published: 2025-03-27 00:59 – Updated: 2025-03-27 13:47

Title

Synapse vulnerable to federation denial of service via malformed events

Summary

Synapse is an open source Matrix homeserver implementation. A malicious server can craft events which, when received, prevent Synapse version up to 1.127.0 from federating with other servers. The vulnerability has been exploited in the wild and has been fixed in Synapse v1.127.1. No known workarounds are available.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-20 - Improper Input Validation

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM
https://github.com/element-hq/synapse/commit/2277…	x_refsource_MISC
https://github.com/element-hq/synapse/releases/ta…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
element-hq	synapse	Affected: < 1.127.1

Show details on NVD website

JSON

To clipboard

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CVE-2025-27146 (GCVE-0-2025-27146)

Vulnerability from nvd – Published: 2025-02-25 20:04 – Updated: 2025-02-25 20:33

Title

Matrix IRC Bridge allows IRC command injection to own puppeted user

Summary

matrix-appservice-irc is a Node.js IRC bridge for Matrix. The matrix-appservice-irc bridge up to version 3.0.3 contains a vulnerability which can lead to arbitrary IRC command execution as the puppeted user. The attacker can only inject commands executed as their own IRC user. The vulnerability has been patched in matrix-appservice-irc version 3.0.4.

Severity

2.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/matrix-org/matrix-appservice-i…	x_refsource_CONFIRM
https://github.com/matrix-org/matrix-appservice-i…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
matrix-org	matrix-appservice-irc	Affected: < 3.0.4

Show details on NVD website

JSON

To clipboard

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CVE-2024-53863 (GCVE-0-2024-53863)

Vulnerability from nvd – Published: 2024-12-03 16:48 – Updated: 2024-12-03 19:08

Title

Synapse can be forced to thumbnail unexpected file formats, invoking external, potentially untrustworthy decoders

Summary

Synapse is an open-source Matrix homeserver. In Synapse versions before 1.120.1, enabling the dynamic_thumbnails option or processing a specially crafted request could trigger the decoding and thumbnail generation of uncommon image formats, potentially invoking external tools like Ghostscript for processing. This significantly expands the attack surface in a historically vulnerable area, presenting a risk that far outweighs the benefit, particularly since these formats are rarely used on the open web or within the Matrix ecosystem. Synapse 1.120.1 addresses the issue by restricting thumbnail generation to images in the following widely used formats: PNG, JPEG, GIF, and WebP. This vulnerability is fixed in 1.120.1.

Severity

8.2 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-434 - Unrestricted Upload of File with Dangerous Type

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM

Impacted products

2 products

Vendor	Product	Version
element-hq	synapse	Affected: < 1.120.1
element-hq	synapse	Affected: 0 , < 1.120.1 (custom) cpe:2.3:a:element-hq:synapse::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2024-52815 (GCVE-0-2024-52815)

Vulnerability from nvd – Published: 2024-12-03 16:58 – Updated: 2024-12-03 19:06

Title

Synapse allows a a malformed invite to break the invitee's `/sync`

Summary

Synapse is an open-source Matrix homeserver. Synapse versions before 1.120.1 fail to properly validate invites received over federation. This vulnerability allows a malicious server to send a specially crafted invite that disrupts the invited user's /sync functionality. Synapse 1.120.1 rejects such invalid invites received over federation and restores the ability to sync for affected users.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-20 - Improper Input Validation

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM

Impacted products

2 products

Vendor	Product	Version
element-hq	synapse	Affected: < 1.120.1
element-hq	synapse	Affected: 0 , < 1.120.1 (custom) cpe:2.3:a:element-hq:synapse::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2024-52805 (GCVE-0-2024-52805)

Vulnerability from nvd – Published: 2024-12-03 17:01 – Updated: 2024-12-03 19:04

Title

Synapse allows unsupported content types to lead to memory exhaustion

Summary

Synapse is an open-source Matrix homeserver. In Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. Synapse 1.120.1 resolves the issue by denying requests with unsupported multipart/form-data content type.

Severity

8.2 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM
https://github.com/twisted/twisted/issues/4688#is…	x_refsource_MISC
https://github.com/twisted/twisted/issues/4688#is…	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
element-hq	synapse	Affected: < 1.120.1
element-hq	synapse	Affected: 0 , < 1.120.1 (custom) cpe:2.3:a:element-hq:synapse::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2024-37303 (GCVE-0-2024-37303)

Vulnerability from nvd – Published: 2024-12-03 17:06 – Updated: 2024-12-03 18:51

Title

Synapse unauthenticated writes to the media repository allow planting of problematic content

Summary

Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository. Synapse 1.106 introduces a partial mitigation in the form of new endpoints which require authentication for media downloads. The unauthenticated endpoints will be frozen in a future release, closing the attack vector.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM
https://github.com/matrix-org/matrix-spec-proposa…	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
element-hq	synapse	Affected: < 1.106
element-hq	synapse	Affected: 0 , < 1.106 (custom) cpe:2.3:a:element-hq:synapse::::::::

Show details on NVD website

JSON

To clipboard

{
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        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "product": "synapse",
          "vendor": "element-hq",
          "versions": [
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            }
          ]
        }
      ],
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          "lang": "en",
          "value": "Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository. Synapse 1.106 introduces a partial mitigation in the form of new endpoints which require authentication for media downloads. The unauthenticated endpoints will be frozen in a future release, closing the attack vector."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
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            "baseScore": 5.3,
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            "privilegesRequired": "NONE",
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            "userInteraction": "NONE",
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            "version": "3.1"
          }
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      ],
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          "descriptions": [
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              "cweId": "CWE-306",
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              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-03T17:06:02.467Z",
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      },
      "references": [
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          "name": "https://github.com/element-hq/synapse/security/advisories/GHSA-gjgr-7834-rhxr",
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          ],
          "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-gjgr-7834-rhxr"
        },
        {
          "name": "https://github.com/matrix-org/matrix-spec-proposals/pull/3916",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/matrix-org/matrix-spec-proposals/pull/3916"
        }
      ],
      "source": {
        "advisory": "GHSA-gjgr-7834-rhxr",
        "discovery": "UNKNOWN"
      },
      "title": "Synapse unauthenticated writes to the media repository allow planting of problematic content"
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    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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    "dateUpdated": "2024-12-03T18:51:29.590Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

CVE-2024-37302 (GCVE-0-2024-37302)

Vulnerability from nvd – Published: 2024-12-03 17:04 – Updated: 2024-12-03 18:56

Title

Synapse denial of service through media disk space consumption

Summary

Synapse is an open-source Matrix homeserver. Synapse versions before 1.106 are vulnerable to a disk fill attack, where an unauthenticated adversary can induce Synapse to download and cache large amounts of remote media. The default rate limit strategy is insufficient to mitigate this. This can lead to a denial of service, ranging from further media uploads/downloads failing to completely unavailability of the Synapse process, depending on how Synapse was deployed. Synapse 1.106 introduces a new "leaky bucket" rate limit on remote media downloads to reduce the amount of data a user can request at a time. This does not fully address the issue, but does limit an unauthenticated user's ability to request large amounts of data to be cached.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM

Impacted products

2 products

Vendor	Product	Version
element-hq	synapse	Affected: < 1.106
element-hq	synapse	Affected: 0 , < 1.106 (custom) cpe:2.3:a:element-hq:synapse::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:element-hq:synapse:*:*:*:*:*:*:*:*"
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        "providerMetadata": {
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          "vendor": "element-hq",
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        }
      ],
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        }
      ],
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          "url": "https://github.com/element-hq/synapse/security/advisories/GHSA-4mhg-xv73-xq2x"
        }
      ],
      "source": {
        "advisory": "GHSA-4mhg-xv73-xq2x",
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      },
      "title": "Synapse denial of service through media disk space consumption"
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    "dateReserved": "2024-06-05T20:10:46.497Z",
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}

CVE-2024-45193 (GCVE-0-2024-45193)

Vulnerability from nvd – Published: 2024-08-22 00:00 – Updated: 2024-09-10 18:34 Unsupported When Assigned

Summary

An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Severity

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Assigner

mitre

References

4 references

URL	Tags
https://soatok.blog/2024/08/14/security-issues-in…
https://gitlab.matrix.org/matrix-org/olm/
https://news.ycombinator.com/item?id=41249371
https://gitlab.matrix.org/matrix-org/olm/-/commit…

Impacted products

1 product

Vendor	Product	Version
matrix	olm	Affected: 0 , ≤ 3.2.16 (custom) cpe:2.3:a:matrix:olm::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*"
            ],
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            "product": "olm",
            "vendor": "matrix",
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              {
                "lessThanOrEqual": "3.2.16",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
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          }
        ],
        "metrics": [
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            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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              "confidentialityImpact": "NONE",
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              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
              "version": "3.1"
            }
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            "other": {
              "content": {
                "id": "CVE-2024-45193",
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                    "Exploitation": "none"
                  },
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              "type": "ssvc"
            }
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        ],
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                "cweId": "CWE-327",
                "description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-10T18:34:25.640Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
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            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S \u003c n). This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
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      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-01T19:25:39.396Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
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        {
          "url": "https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/"
        },
        {
          "url": "https://gitlab.matrix.org/matrix-org/olm/"
        },
        {
          "url": "https://news.ycombinator.com/item?id=41249371"
        },
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          "url": "https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985"
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        "unsupported-when-assigned"
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    "datePublished": "2024-08-22T00:00:00.000Z",
    "dateReserved": "2024-08-22T00:00:00.000Z",
    "dateUpdated": "2024-09-10T18:34:25.640Z",
    "state": "PUBLISHED"
  },
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CVE-2024-45192 (GCVE-0-2024-45192)

Vulnerability from nvd – Published: 2024-08-22 00:00 – Updated: 2024-09-10 18:26 Unsupported When Assigned

Summary

An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-385 - Covert Timing Channel

Assigner

mitre

References

4 references

URL	Tags
https://soatok.blog/2024/08/14/security-issues-in…
https://gitlab.matrix.org/matrix-org/olm/
https://news.ycombinator.com/item?id=41249371
https://gitlab.matrix.org/matrix-org/olm/-/commit…

Impacted products

1 product

Vendor	Product	Version
matrix	olm	Affected: 0 , ≤ 3.2.6 (custom) cpe:2.3:a:matrix:olm::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "olm",
            "vendor": "matrix",
            "versions": [
              {
                "lessThanOrEqual": "3.2.6",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-45192",
                "options": [
                  {
                    "Exploitation": "none"
                  },
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                  },
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                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-22T17:36:05.584220Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-385",
                "description": "CWE-385 Covert Timing Channel",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-10T18:26:13.304Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
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            }
          ]
        }
      ],
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        {
          "lang": "en",
          "value": "An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer."
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-01T19:25:05.834Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      },
      "references": [
        {
          "url": "https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/"
        },
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          "url": "https://gitlab.matrix.org/matrix-org/olm/"
        },
        {
          "url": "https://news.ycombinator.com/item?id=41249371"
        },
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          "url": "https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985"
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  },
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    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "dateReserved": "2024-08-22T00:00:00.000Z",
    "dateUpdated": "2024-09-10T18:26:13.304Z",
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  },
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CVE-2024-45191 (GCVE-0-2024-45191)

Vulnerability from nvd – Published: 2024-08-22 00:00 – Updated: 2024-09-10 18:21 Unsupported When Assigned

Summary

An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-208 - Observable Timing Discrepancy

Assigner

mitre

References

4 references

URL	Tags
https://soatok.blog/2024/08/14/security-issues-in…
https://gitlab.matrix.org/matrix-org/olm/
https://news.ycombinator.com/item?id=41249371
https://gitlab.matrix.org/matrix-org/olm/-/commit…

Impacted products

1 product

Vendor	Product	Version
matrix	olm	Affected: 0 , ≤ 3.2.16 (custom) cpe:2.3:a:matrix:olm::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "olm",
            "vendor": "matrix",
            "versions": [
              {
                "lessThanOrEqual": "3.2.16",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-45191",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-22T20:43:50.323285Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
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                "cweId": "CWE-208",
                "description": "CWE-208 Observable Timing Discrepancy",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-10T18:21:17.806Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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CVE-2024-42369 (GCVE-0-2024-42369)

Vulnerability from nvd – Published: 2024-08-20 14:37 – Updated: 2024-09-03 17:06

Title

A room with itself as a its predecessor will freeze matrix-js-sdk

Summary

matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. A malicious homeserver can craft a room or room structure such that the predecessors form a cycle. The matrix-js-sdk's getRoomUpgradeHistory function will infinitely recurse in this case, causing the code to hang. This method is public but also called by the 'leaveRoomChain()' method, so leaving a room will also trigger the bug. This was patched in matrix-js-sdk 34.3.1.

Severity

4.1 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-674 - Uncontrolled Recursion

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/matrix-org/matrix-js-sdk/secur…	x_refsource_CONFIRM
https://github.com/matrix-org/matrix-js-sdk/commi…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
matrix-org	matrix-js-sdk	Affected: < 34.3.1

Show details on NVD website

JSON

To clipboard

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CVE-2024-42347 (GCVE-0-2024-42347)

Vulnerability from nvd – Published: 2024-08-06 17:16 – Updated: 2024-08-08 18:48

Title

URL preview setting for a room is controllable by the homeserver in matrix-react-sdk

Summary

matrix-react-sdk is a react-based SDK for inserting a Matrix chat/voip client into a web page. A malicious homeserver could manipulate a user's account data to cause the client to enable URL previews in end-to-end encrypted rooms, in which case any URLs in encrypted messages would be sent to the server. This was patched in matrix-react-sdk 3.105.0. Deployments that trust their homeservers, as well as closed federations of trusted servers, are not affected. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Severity

7.7 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-359 - Exposure of Private Personal Information to an Unauthorized Actor

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/matrix-org/matrix-react-sdk/se…	x_refsource_CONFIRM
https://github.com/matrix-org/matrix-react-sdk/re…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
matrix-org	matrix-react-sdk	Affected: < 3.105.1

Show details on NVD website

JSON

To clipboard

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CVE-2025-66622 (GCVE-0-2025-66622)

Vulnerability from cvelistv5 – Published: 2025-12-09 02:07 – Updated: 2025-12-09 16:02

Title

matrix-sdk-base is vulnerable to DoS via custom m.room.join_rules event values

Summary

matrix-sdk-base is the base component to build a Matrix client library. Versions 0.14.1 and prior are unable to handle responses that include custom m.room.join_rules values due to a serialization bug. This can be exploited to cause a denial-of-service condition, if a user is invited to a room with non-standard join rules, the crate's sync process will stall, preventing further processing for all rooms. This is fixed in version 0.16.0.

Severity

1.3 (Low)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-755 - Improper Handling of Exceptional Conditions

Assigner

GitHub_M

References

4 references

URL	Tags
https://github.com/matrix-org/matrix-rust-sdk/sec…	x_refsource_CONFIRM
https://github.com/matrix-org/matrix-rust-sdk/pull/5924	x_refsource_MISC
https://github.com/matrix-org/matrix-rust-sdk/com…	x_refsource_MISC
https://rustsec.org/advisories/RUSTSEC-2025-0135.html	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
matrix-org	matrix-rust-sdk	Affected: < 0.16.0

Show details on NVD website

JSON

To clipboard

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CVE-2025-54315 (GCVE-0-2025-54315)

Vulnerability from cvelistv5 – Published: 2025-10-02 00:00 – Updated: 2025-10-02 19:33

Summary

The Matrix specification before 1.16 (i.e., with a room version before 12) lacks create event uniqueness.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-837 - Improper Enforcement of a Single, Unique Action

Assigner

mitre

References

2 references

URL	Tags
https://github.com/matrix-org/matrix-spec/release…
https://matrix.org/blog/2025/08/project-hydra-imp…

Impacted products

1 product

Vendor	Product	Version
Matrix	Matrix specification	Affected: 0 , < 1.16 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-49090 (GCVE-0-2025-49090)

Vulnerability from cvelistv5 – Published: 2025-10-02 00:00 – Updated: 2025-10-02 19:35

Summary

The Matrix specification before 1.16 (i.e., with a room version before 12 and State Resolution before 2.1) has deficient state resolution.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-642 - External Control of Critical State Data

Assigner

mitre

References

4 references

URL	Tags
https://matrix.org/blog/2025/08/security-release/
https://github.com/Nheko-Reborn/nheko/issues/1931
https://github.com/matrix-org/matrix-spec/release…
https://matrix.org/blog/2025/08/project-hydra-imp…

Impacted products

1 product

Vendor	Product	Version
Matrix	Matrix specification	Affected: 0 , < 1.16 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2025-30355 (GCVE-0-2025-30355)

Vulnerability from cvelistv5 – Published: 2025-03-27 00:59 – Updated: 2025-03-27 13:47

Title

Synapse vulnerable to federation denial of service via malformed events

Summary

Synapse is an open source Matrix homeserver implementation. A malicious server can craft events which, when received, prevent Synapse version up to 1.127.0 from federating with other servers. The vulnerability has been exploited in the wild and has been fixed in Synapse v1.127.1. No known workarounds are available.

Severity

7.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-20 - Improper Input Validation

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM
https://github.com/element-hq/synapse/commit/2277…	x_refsource_MISC
https://github.com/element-hq/synapse/releases/ta…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
element-hq	synapse	Affected: < 1.127.1

Show details on NVD website

JSON

To clipboard

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CVE-2025-27146 (GCVE-0-2025-27146)

Vulnerability from cvelistv5 – Published: 2025-02-25 20:04 – Updated: 2025-02-25 20:33

Title

Matrix IRC Bridge allows IRC command injection to own puppeted user

Summary

matrix-appservice-irc is a Node.js IRC bridge for Matrix. The matrix-appservice-irc bridge up to version 3.0.3 contains a vulnerability which can lead to arbitrary IRC command execution as the puppeted user. The attacker can only inject commands executed as their own IRC user. The vulnerability has been patched in matrix-appservice-irc version 3.0.4.

Severity

2.7 (Low)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/matrix-org/matrix-appservice-i…	x_refsource_CONFIRM
https://github.com/matrix-org/matrix-appservice-i…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
matrix-org	matrix-appservice-irc	Affected: < 3.0.4

Show details on NVD website

JSON

To clipboard

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CVE-2024-37303 (GCVE-0-2024-37303)

Vulnerability from cvelistv5 – Published: 2024-12-03 17:06 – Updated: 2024-12-03 18:51

Title

Synapse unauthenticated writes to the media repository allow planting of problematic content

Summary

Synapse is an open-source Matrix homeserver. Synapse before version 1.106 allows, by design, unauthenticated remote participants to trigger a download and caching of remote media from a remote homeserver to the local media repository. Such content then also becomes available for download from the local homeserver in an unauthenticated way. The implication is that unauthenticated remote adversaries can use this functionality to plant problematic content into the media repository. Synapse 1.106 introduces a partial mitigation in the form of new endpoints which require authentication for media downloads. The unauthenticated endpoints will be frozen in a future release, closing the attack vector.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM
https://github.com/matrix-org/matrix-spec-proposa…	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
element-hq	synapse	Affected: < 1.106
element-hq	synapse	Affected: 0 , < 1.106 (custom) cpe:2.3:a:element-hq:synapse::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2024-37302 (GCVE-0-2024-37302)

Vulnerability from cvelistv5 – Published: 2024-12-03 17:04 – Updated: 2024-12-03 18:56

Title

Synapse denial of service through media disk space consumption

Summary

Synapse is an open-source Matrix homeserver. Synapse versions before 1.106 are vulnerable to a disk fill attack, where an unauthenticated adversary can induce Synapse to download and cache large amounts of remote media. The default rate limit strategy is insufficient to mitigate this. This can lead to a denial of service, ranging from further media uploads/downloads failing to completely unavailability of the Synapse process, depending on how Synapse was deployed. Synapse 1.106 introduces a new "leaky bucket" rate limit on remote media downloads to reduce the amount of data a user can request at a time. This does not fully address the issue, but does limit an unauthenticated user's ability to request large amounts of data to be cached.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM

Impacted products

2 products

Vendor	Product	Version
element-hq	synapse	Affected: < 1.106
element-hq	synapse	Affected: 0 , < 1.106 (custom) cpe:2.3:a:element-hq:synapse::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2024-52805 (GCVE-0-2024-52805)

Vulnerability from cvelistv5 – Published: 2024-12-03 17:01 – Updated: 2024-12-03 19:04

Title

Synapse allows unsupported content types to lead to memory exhaustion

Summary

Synapse is an open-source Matrix homeserver. In Synapse before 1.120.1, multipart/form-data requests can in certain configurations transiently increase memory consumption beyond expected levels while processing the request, which can be used to amplify denial of service attacks. Synapse 1.120.1 resolves the issue by denying requests with unsupported multipart/form-data content type.

Severity

8.2 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

GitHub_M

References

3 references

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM
https://github.com/twisted/twisted/issues/4688#is…	x_refsource_MISC
https://github.com/twisted/twisted/issues/4688#is…	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
element-hq	synapse	Affected: < 1.120.1
element-hq	synapse	Affected: 0 , < 1.120.1 (custom) cpe:2.3:a:element-hq:synapse::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2024-52815 (GCVE-0-2024-52815)

Vulnerability from cvelistv5 – Published: 2024-12-03 16:58 – Updated: 2024-12-03 19:06

Title

Synapse allows a a malformed invite to break the invitee's `/sync`

Summary

Synapse is an open-source Matrix homeserver. Synapse versions before 1.120.1 fail to properly validate invites received over federation. This vulnerability allows a malicious server to send a specially crafted invite that disrupts the invited user's /sync functionality. Synapse 1.120.1 rejects such invalid invites received over federation and restores the ability to sync for affected users.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-20 - Improper Input Validation

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM

Impacted products

2 products

Vendor	Product	Version
element-hq	synapse	Affected: < 1.120.1
element-hq	synapse	Affected: 0 , < 1.120.1 (custom) cpe:2.3:a:element-hq:synapse::::::::

Show details on NVD website

JSON

To clipboard

{
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    "adp": [
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              "cpe:2.3:a:element-hq:synapse:*:*:*:*:*:*:*:*"
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CVE-2024-53863 (GCVE-0-2024-53863)

Vulnerability from cvelistv5 – Published: 2024-12-03 16:48 – Updated: 2024-12-03 19:08

Title

Synapse can be forced to thumbnail unexpected file formats, invoking external, potentially untrustworthy decoders

Summary

Synapse is an open-source Matrix homeserver. In Synapse versions before 1.120.1, enabling the dynamic_thumbnails option or processing a specially crafted request could trigger the decoding and thumbnail generation of uncommon image formats, potentially invoking external tools like Ghostscript for processing. This significantly expands the attack surface in a historically vulnerable area, presenting a risk that far outweighs the benefit, particularly since these formats are rarely used on the open web or within the Matrix ecosystem. Synapse 1.120.1 addresses the issue by restricting thumbnail generation to images in the following widely used formats: PNG, JPEG, GIF, and WebP. This vulnerability is fixed in 1.120.1.

Severity

8.2 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-434 - Unrestricted Upload of File with Dangerous Type

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/element-hq/synapse/security/ad…	x_refsource_CONFIRM

Impacted products

2 products

Vendor	Product	Version
element-hq	synapse	Affected: < 1.120.1
element-hq	synapse	Affected: 0 , < 1.120.1 (custom) cpe:2.3:a:element-hq:synapse::::::::

Show details on NVD website

JSON

To clipboard

{
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              "cpe:2.3:a:element-hq:synapse:*:*:*:*:*:*:*:*"
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CVE-2024-45191 (GCVE-0-2024-45191)

Vulnerability from cvelistv5 – Published: 2024-08-22 00:00 – Updated: 2024-09-10 18:21 Unsupported When Assigned

Summary

An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-208 - Observable Timing Discrepancy

Assigner

mitre

References

4 references

URL	Tags
https://soatok.blog/2024/08/14/security-issues-in…
https://gitlab.matrix.org/matrix-org/olm/
https://news.ycombinator.com/item?id=41249371
https://gitlab.matrix.org/matrix-org/olm/-/commit…

Impacted products

1 product

Vendor	Product	Version
matrix	olm	Affected: 0 , ≤ 3.2.16 (custom) cpe:2.3:a:matrix:olm::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*"
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            "product": "olm",
            "vendor": "matrix",
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                "versionType": "custom"
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              "attackVector": "NETWORK",
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              "confidentialityImpact": "NONE",
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              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
              "version": "3.1"
            }
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              "content": {
                "id": "CVE-2024-45191",
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          }
        ],
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            "descriptions": [
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                "description": "CWE-208 Observable Timing Discrepancy",
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                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-10T18:21:17.806Z",
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
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          "lang": "en",
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
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      "providerMetadata": {
        "dateUpdated": "2024-09-01T19:24:15.193Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
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          "url": "https://gitlab.matrix.org/matrix-org/olm/"
        },
        {
          "url": "https://news.ycombinator.com/item?id=41249371"
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          "url": "https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985"
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CVE-2024-45193 (GCVE-0-2024-45193)

Vulnerability from cvelistv5 – Published: 2024-08-22 00:00 – Updated: 2024-09-10 18:34 Unsupported When Assigned

Summary

An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Severity

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Assigner

mitre

References

4 references

URL	Tags
https://soatok.blog/2024/08/14/security-issues-in…
https://gitlab.matrix.org/matrix-org/olm/
https://news.ycombinator.com/item?id=41249371
https://gitlab.matrix.org/matrix-org/olm/-/commit…

Impacted products

1 product

Vendor	Product	Version
matrix	olm	Affected: 0 , ≤ 3.2.16 (custom) cpe:2.3:a:matrix:olm::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*"
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            "product": "olm",
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                "type": "CWE"
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        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-10T18:34:25.640Z",
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        }
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      "problemTypes": [
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          "url": "https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/"
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        },
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          "url": "https://news.ycombinator.com/item?id=41249371"
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CVE-2024-45192 (GCVE-0-2024-45192)

Vulnerability from cvelistv5 – Published: 2024-08-22 00:00 – Updated: 2024-09-10 18:26 Unsupported When Assigned

Summary

An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-385 - Covert Timing Channel

Assigner

mitre

References

4 references

URL	Tags
https://soatok.blog/2024/08/14/security-issues-in…
https://gitlab.matrix.org/matrix-org/olm/
https://news.ycombinator.com/item?id=41249371
https://gitlab.matrix.org/matrix-org/olm/-/commit…

Impacted products

1 product

Vendor	Product	Version
matrix	olm	Affected: 0 , ≤ 3.2.6 (custom) cpe:2.3:a:matrix:olm::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*"
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            "product": "olm",
            "vendor": "matrix",
            "versions": [
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                "lessThanOrEqual": "3.2.6",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
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          }
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              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
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              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
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                    "Technical Impact": "partial"
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                ],
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                "timestamp": "2024-08-22T17:36:05.584220Z",
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            }
          }
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                "description": "CWE-385 Covert Timing Channel",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-10T18:26:13.304Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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          "vendor": "n/a",
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              "version": "n/a"
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          ]
        }
      ],
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          "lang": "en",
          "value": "An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "n/a",
              "lang": "en",
              "type": "text"
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          ]
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        "dateUpdated": "2024-09-01T19:25:05.834Z",
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        "shortName": "mitre"
      },
      "references": [
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          "url": "https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/"
        },
        {
          "url": "https://gitlab.matrix.org/matrix-org/olm/"
        },
        {
          "url": "https://news.ycombinator.com/item?id=41249371"
        },
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          "url": "https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985"
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        "unsupported-when-assigned"
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    "assignerShortName": "mitre",
    "cveId": "CVE-2024-45192",
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  },
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  "dataVersion": "5.1"
}

CVE-2024-42369 (GCVE-0-2024-42369)

Vulnerability from cvelistv5 – Published: 2024-08-20 14:37 – Updated: 2024-09-03 17:06

Title

A room with itself as a its predecessor will freeze matrix-js-sdk

Summary

matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. A malicious homeserver can craft a room or room structure such that the predecessors form a cycle. The matrix-js-sdk's getRoomUpgradeHistory function will infinitely recurse in this case, causing the code to hang. This method is public but also called by the 'leaveRoomChain()' method, so leaving a room will also trigger the bug. This was patched in matrix-js-sdk 34.3.1.

Severity

4.1 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-674 - Uncontrolled Recursion

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/matrix-org/matrix-js-sdk/secur…	x_refsource_CONFIRM
https://github.com/matrix-org/matrix-js-sdk/commi…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
matrix-org	matrix-js-sdk	Affected: < 34.3.1

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-42369",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-21T14:41:11.504953Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-03T17:06:42.231Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "matrix-js-sdk",
          "vendor": "matrix-org",
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            {
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              "version": "\u003c 34.3.1"
            }
          ]
        }
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          "lang": "en",
          "value": "matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. A malicious homeserver can craft a room or room structure such that the predecessors form a cycle. The matrix-js-sdk\u0027s getRoomUpgradeHistory function will infinitely recurse in this case, causing the code to hang. This method is public but also called by the \u0027leaveRoomChain()\u0027 method, so leaving a room will also trigger the bug. This was patched in matrix-js-sdk 34.3.1."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.1,
            "baseSeverity": "MEDIUM",
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            "integrityImpact": "NONE",
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            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
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          }
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          ]
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        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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      },
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          "name": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-vhr5-g3pm-49fm",
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          ],
          "url": "https://github.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-vhr5-g3pm-49fm"
        },
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          "name": "https://github.com/matrix-org/matrix-js-sdk/commit/a0efed8b881b3db6c9f2c71d6a6e74c2828978c6",
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      "source": {
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        "discovery": "UNKNOWN"
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      "title": "A room with itself as a its predecessor will freeze matrix-js-sdk"
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    "assignerShortName": "GitHub_M",
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CERTFR-2025-AVI-0706

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans Matrix. Elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données et un déni de service.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Matrix précise que seuls les serveurs engagés dans une fédération avec des serveurs qui ne sont pas considérés de confiance sont concernés, la solution Tchap n'est pas affectée.

Impacted products

	Vendor	Product	Description
	Matrix	server	Server versions antérieures à 12

References

Title

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176 vulnerabilities by matrix

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CVE-2025-54315 (GCVE-0-2025-54315)

CVE-2025-49090 (GCVE-0-2025-49090)

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CVE-2024-53863 (GCVE-0-2024-53863)

CVE-2024-52815 (GCVE-0-2024-52815)

CVE-2024-52805 (GCVE-0-2024-52805)

CVE-2024-37303 (GCVE-0-2024-37303)

CVE-2024-37302 (GCVE-0-2024-37302)

CVE-2024-45193 (GCVE-0-2024-45193)

CVE-2024-45192 (GCVE-0-2024-45192)

CVE-2024-45191 (GCVE-0-2024-45191)

CVE-2024-42369 (GCVE-0-2024-42369)

CVE-2024-42347 (GCVE-0-2024-42347)

CVE-2025-66622 (GCVE-0-2025-66622)

CVE-2025-54315 (GCVE-0-2025-54315)

CVE-2025-49090 (GCVE-0-2025-49090)

CVE-2025-30355 (GCVE-0-2025-30355)

CVE-2025-27146 (GCVE-0-2025-27146)

CVE-2024-37303 (GCVE-0-2024-37303)

CVE-2024-37302 (GCVE-0-2024-37302)

CVE-2024-52805 (GCVE-0-2024-52805)

CVE-2024-52815 (GCVE-0-2024-52815)

CVE-2024-53863 (GCVE-0-2024-53863)

CVE-2024-45191 (GCVE-0-2024-45191)

CVE-2024-45193 (GCVE-0-2024-45193)

CVE-2024-45192 (GCVE-0-2024-45192)

CVE-2024-42369 (GCVE-0-2024-42369)

CERTFR-2025-AVI-0706

Solutions

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176 vulnerabilities by matrix

CVE-2025-66622 (GCVE-0-2025-66622)

CVE-2025-54315 (GCVE-0-2025-54315)

CVE-2025-49090 (GCVE-0-2025-49090)

CVE-2025-30355 (GCVE-0-2025-30355)

CVE-2025-27146 (GCVE-0-2025-27146)

CVE-2024-53863 (GCVE-0-2024-53863)

CVE-2024-52815 (GCVE-0-2024-52815)

CVE-2024-52805 (GCVE-0-2024-52805)

CVE-2024-37303 (GCVE-0-2024-37303)

CVE-2024-37302 (GCVE-0-2024-37302)

CVE-2024-45193 (GCVE-0-2024-45193)

CVE-2024-45192 (GCVE-0-2024-45192)

CVE-2024-45191 (GCVE-0-2024-45191)

CVE-2024-42369 (GCVE-0-2024-42369)

CVE-2024-42347 (GCVE-0-2024-42347)

CVE-2025-66622 (GCVE-0-2025-66622)

CVE-2025-54315 (GCVE-0-2025-54315)

CVE-2025-49090 (GCVE-0-2025-49090)

CVE-2025-30355 (GCVE-0-2025-30355)

CVE-2025-27146 (GCVE-0-2025-27146)

CVE-2024-37303 (GCVE-0-2024-37303)

CVE-2024-37302 (GCVE-0-2024-37302)

CVE-2024-52805 (GCVE-0-2024-52805)

CVE-2024-52815 (GCVE-0-2024-52815)

CVE-2024-53863 (GCVE-0-2024-53863)

CVE-2024-45191 (GCVE-0-2024-45191)

CVE-2024-45193 (GCVE-0-2024-45193)

CVE-2024-45192 (GCVE-0-2024-45192)

CVE-2024-42369 (GCVE-0-2024-42369)

CERTFR-2025-AVI-0706

Solutions

Search criteria ⓘ Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.