Vulnerability-Lookup

RHSA-2026:97861

Vulnerability from csaf_redhat - Published: 2026-11-10 22:37 - Updated: 2026-11-10 22:39

Summary

Red Hat Security Advisory: mod_auth_openidc security update

Severity

Important

Notes

Topic: An update for mod_auth_openidc is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details: The mod_auth_openidc is an OpenID Connect authentication module for Apache HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server. Security Fix(es): * mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing (CVE-2026-54789) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2026-54789

A flaw was found in mod_auth_openidc, an OpenID Connect Relying Party module for Apache HTTP servers. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP request with a malformed state cookie. This can lead to an out-of-bounds read and a one-byte out-of-bounds write during state cookie parsing, primarily resulting in a Denial of Service (DoS) for the affected server.

7.5 (High)


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

CWE-125 - Out-of-bounds Read

Affected products

Fixed 13 products

Product	Version	Remediation
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.src	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

References

10 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:97861	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=2521051	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-54789	self
https://bugzilla.redhat.com/show_bug.cgi?id=2521051	external
https://www.cve.org/CVERecord?id=CVE-2026-54789	external
https://nvd.nist.gov/vuln/detail/CVE-2026-54789	external
https://github.com/OpenIDC/mod_auth_openidc/commi…	external
https://github.com/OpenIDC/mod_auth_openidc/secur…	external

JSON

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        "full_product_name": {
          "name": "mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)",
          "product_id": "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.ppc64le"
        },
        "product_reference": "mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.ppc64le",
        "relates_to_product_reference": "AppStream-9.9.0.Z.MAIN"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)",
          "product_id": "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.s390x"
        },
        "product_reference": "mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.s390x",
        "relates_to_product_reference": "AppStream-9.9.0.Z.MAIN"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)",
          "product_id": "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.x86_64"
        },
        "product_reference": "mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.x86_64",
        "relates_to_product_reference": "AppStream-9.9.0.Z.MAIN"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-54789",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "discovery_date": "2026-08-21T16:22:43.982433+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2521051"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in mod_auth_openidc, an OpenID Connect Relying Party module for Apache HTTP servers. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP request with a malformed state cookie. This can lead to an out-of-bounds read and a one-byte out-of-bounds write during state cookie parsing, primarily resulting in a Denial of Service (DoS) for the affected server.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service flaw in `mod_auth_openidc`. The vulnerability arises from an out-of-bounds read and write in the state-cookie parser when processing specially crafted `Cookie` headers. Exploitation could lead to service unavailability for systems configured with `mod_auth_openidc` for OpenID Connect Relying Party functionality.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.aarch64",
          "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.ppc64le",
          "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.s390x",
          "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.src",
          "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.x86_64",
          "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.aarch64",
          "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.ppc64le",
          "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.s390x",
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          "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.ppc64le",
          "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.s390x",
          "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-54789"
        },
        {
          "category": "external",
          "summary": "RHBZ#2521051",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521051"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-54789",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-54789"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-54789",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-54789"
        },
        {
          "category": "external",
          "summary": "https://github.com/OpenIDC/mod_auth_openidc/commit/8017478471cc071c49aa073c5c9be652a73a8630",
          "url": "https://github.com/OpenIDC/mod_auth_openidc/commit/8017478471cc071c49aa073c5c9be652a73a8630"
        },
        {
          "category": "external",
          "summary": "https://github.com/OpenIDC/mod_auth_openidc/security/advisories/GHSA-vgr5-qcpp-x2pr",
          "url": "https://github.com/OpenIDC/mod_auth_openidc/security/advisories/GHSA-vgr5-qcpp-x2pr"
        }
      ],
      "release_date": "2026-08-21T16:13:23.073000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-11-10T22:37:47+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.aarch64",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.ppc64le",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.s390x",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.src",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.x86_64",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.aarch64",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.ppc64le",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.s390x",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.x86_64",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.aarch64",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.ppc64le",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.s390x",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:97861"
        },
        {
          "category": "workaround",
          "details": "Inspect incoming HTTP requests using a Web Application Firewall (WAF), reverse proxy, or Apache\u2019s mod_rewrite module prior to evaluation by mod_auth_openidc. Configure security rules to reject or drop any requests containing malformed Cookie headers\u2014specifically OpenID Connect state cookie tokens that lack an equals sign (=).",
          "product_ids": [
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            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.ppc64le",
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            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.src",
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            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.aarch64",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.ppc64le",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.s390x",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.src",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-0:2.4.16.11-2.el9_9.x86_64",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.aarch64",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.ppc64le",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.s390x",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debuginfo-0:2.4.16.11-2.el9_9.x86_64",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.aarch64",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.ppc64le",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.s390x",
            "AppStream-9.9.0.Z.MAIN:mod_auth_openidc-debugsource-0:2.4.16.11-2.el9_9.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "mod_auth_openidc: mod_auth_openidc: Denial of Service via malformed state cookie parsing"
    }
  ]
}

CVE-2026-54789 (GCVE-0-2026-54789)

Vulnerability from cvelistv5 – Published: 2026-08-21 16:13 – Updated: 2026-09-02 19:06

Title

mod_auth_openidc has out-of-bounds read and write in state cookie parsing

Summary

mod_auth_openidc is an OpenID Certified authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. Prior to 2.4.19.4, an out-of-bounds read and a one-byte out-of-bounds write exist in the state-cookie parser of `mod_auth_openidc`. The issue is fixed in version 2.4.19.4 by stopping the scan at the string terminator so a value-less token is rejected. No in-product workarounds are available. As a stop-gap, an upstream reverse proxy or WAF that rejects or normalizes malformed `Cookie` headers (tokens lacking `=`) can reduce exposure, but upgrading is the recommended remediation.

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 · CISA-ADP (v2.0.3)

Decision recorded 2026-08-21 17:23 UTC

CWE

CWE-125 - Out-of-bounds Read
CWE-787 - Out-of-bounds Write

Assigner

GitHub_M CNA under the mitre root

CNA scorecard C 72/100 over 7801 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/OpenIDC/mod_auth_openidc/secur…	x_refsource_CONFIRM
https://github.com/OpenIDC/mod_auth_openidc/commi…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2026…

Impacted products

1 product

Vendor	Product	Version
OpenIDC	mod_auth_openidc	Affected: < 2.4.19.4

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-54789",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-21T17:23:33.836898Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-21T17:24:15.943Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2026-09-02T19:06:57.449Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2026/09/msg00003.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "mod_auth_openidc",
          "vendor": "OpenIDC",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.4.19.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "mod_auth_openidc is an OpenID Certified authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. Prior to 2.4.19.4, an out-of-bounds read and a one-byte out-of-bounds write exist in the state-cookie parser of `mod_auth_openidc`. The issue is fixed in version 2.4.19.4 by stopping the scan at the string terminator so a value-less token is rejected. No in-product workarounds are available. As a stop-gap, an upstream reverse proxy or WAF that rejects or normalizes malformed `Cookie` headers (tokens lacking `=`) can reduce exposure, but upgrading is the recommended remediation."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125: Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787: Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-21T16:13:23.073Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
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          "name": "https://github.com/OpenIDC/mod_auth_openidc/security/advisories/GHSA-vgr5-qcpp-x2pr",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/OpenIDC/mod_auth_openidc/security/advisories/GHSA-vgr5-qcpp-x2pr"
        },
        {
          "name": "https://github.com/OpenIDC/mod_auth_openidc/commit/8017478471cc071c49aa073c5c9be652a73a8630",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/OpenIDC/mod_auth_openidc/commit/8017478471cc071c49aa073c5c9be652a73a8630"
        }
      ],
      "source": {
        "advisory": "GHSA-vgr5-qcpp-x2pr",
        "discovery": "UNKNOWN"
      },
      "title": "mod_auth_openidc has out-of-bounds read and write in state cookie parsing"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-54789",
    "datePublished": "2026-08-21T16:13:23.073Z",
    "dateReserved": "2026-06-15T23:23:57.714Z",
    "dateUpdated": "2026-09-02T19:06:57.449Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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