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CVE-2026-53525 (GCVE-0-2026-53525)

Vulnerability from cvelistv5 – Published: 2026-08-21 22:19 – Updated: 2026-08-21 22:19

Title

WeeChat has Non-Constant-Time Password Hash Comparison in Relay Authentication

Summary

WeeChat (Wee Enhanced Environment for Chat) is a free chat client. In versions 0.3.1 through 4.9.0, the WeeChat relay authentication uses non-constant-time string comparison functions (weechat_strcasecmp and strcmp) to verify password hashes and plaintext passwords. An attacker can exploit timing differences to extract the server-computed hash character by character, then authenticate using the correct hash without knowing the password. Version 4.9.1 fixes the issue.

Severity

7.4 (High)


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

CWE

CWE-208 - Observable Timing Discrepancy

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/weechat/weechat/security/advis…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
weechat	weechat	Affected: >= 0.3.4, < 4.9.1

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "weechat",
          "vendor": "weechat",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 0.3.4, \u003c 4.9.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "WeeChat (Wee Enhanced Environment for Chat) is a free chat client. In versions 0.3.1 through 4.9.0, the WeeChat relay authentication uses non-constant-time string comparison functions (weechat_strcasecmp and strcmp) to verify password hashes and plaintext passwords. An attacker can exploit timing differences to extract the server-computed hash character by character, then authenticate using the correct hash without knowing the password. Version 4.9.1 fixes the issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-208",
              "description": "CWE-208: Observable Timing Discrepancy",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-21T22:19:21.278Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/weechat/weechat/security/advisories/GHSA-vhv8-g2r9-cwcc",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/weechat/weechat/security/advisories/GHSA-vhv8-g2r9-cwcc"
        }
      ],
      "source": {
        "advisory": "GHSA-vhv8-g2r9-cwcc",
        "discovery": "UNKNOWN"
      },
      "title": "WeeChat has Non-Constant-Time Password Hash Comparison in Relay Authentication"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-53525",
    "datePublished": "2026-08-21T22:19:21.278Z",
    "dateReserved": "2026-06-09T17:30:33.456Z",
    "dateUpdated": "2026-08-21T22:19:21.278Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-53524 (GCVE-0-2026-53524)

Vulnerability from cvelistv5 – Published: 2026-08-21 22:18 – Updated: 2026-08-21 22:18

Title

WeeChat has a Decompression Bomb in Relay WebSocket (DoS)

Summary

WeeChat (Wee Enhanced Environment for Chat) is a free chat client. In versions 4.3.0 through 4.9.0, the WeeChat relay module's WebSocket permessage-deflate decompression function relay_websocket_inflate() has no upper bound on output size. An authenticated relay user can send a small compressed WebSocket frame (~100 bytes) that decompresses to gigabytes, exhausting all server memory and crashing the entire WeeChat process. The api protocol enables permessage-deflate and requires authentication before WebSocket upgrade. Version 4.9.1 patches the issue.

Severity

6.5 (Medium)


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

CWE

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/weechat/weechat/security/advis…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
weechat	weechat	Affected: >= 4.3.0, < 4.9.1

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "weechat",
          "vendor": "weechat",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 4.3.0, \u003c 4.9.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "WeeChat (Wee Enhanced Environment for Chat) is a free chat client. In versions 4.3.0 through 4.9.0, the WeeChat relay module\u0027s WebSocket permessage-deflate decompression function relay_websocket_inflate() has no upper bound on output size. An authenticated relay user can send a small compressed WebSocket frame (~100 bytes) that decompresses to gigabytes, exhausting all server memory and crashing the entire WeeChat process. The api protocol enables permessage-deflate and requires authentication before WebSocket upgrade. Version 4.9.1 patches the issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-409",
              "description": "CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-21T22:18:23.432Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/weechat/weechat/security/advisories/GHSA-v2v4-45wm-5cr3",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/weechat/weechat/security/advisories/GHSA-v2v4-45wm-5cr3"
        }
      ],
      "source": {
        "advisory": "GHSA-v2v4-45wm-5cr3",
        "discovery": "UNKNOWN"
      },
      "title": "WeeChat has a Decompression Bomb in Relay WebSocket (DoS)"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-53524",
    "datePublished": "2026-08-21T22:18:23.432Z",
    "dateReserved": "2026-06-09T17:30:33.456Z",
    "dateUpdated": "2026-08-21T22:18:23.432Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2024-46613 (GCVE-0-2024-46613)

Vulnerability from cvelistv5 – Published: 2024-11-10 00:00 – Updated: 2024-11-19 20:16

Summary

WeeChat before 4.4.2 has an integer overflow and resultant buffer overflow at core/core-string.c when there are more than two billion items in a list. This affects string_free_split_shared , string_free_split, string_free_split_command, and string_free_split_tags.

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-19 19:52 UTC

CWE

n/a
CWE-190 - Integer Overflow or Wraparound

Assigner

mitre mitre root

References

2 references

URL	Tags
https://weechat.org/doc/weechat/security/WSA-2024-1/
https://github.com/weechat/weechat/issues/2178

Impacted products

1 product

Vendor	Product	Version
weechat	weechat	Affected: 0 , < 4.4.2 (custom) cpe:2.3:a:weechat:weechat::::::::

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:weechat:weechat:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "weechat",
            "vendor": "weechat",
            "versions": [
              {
                "lessThan": "4.4.2",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "PHYSICAL",
              "availabilityImpact": "LOW",
              "baseScore": 4.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-46613",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-19T19:52:24.854504Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-190",
                "description": "CWE-190 Integer Overflow or Wraparound",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-19T20:16:06.729Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "WeeChat before 4.4.2 has an integer overflow and resultant buffer overflow at core/core-string.c when there are more than two billion items in a list. This affects string_free_split_shared , string_free_split, string_free_split_command, and string_free_split_tags."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-10T20:56:35.436Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://weechat.org/doc/weechat/security/WSA-2024-1/"
        },
        {
          "url": "https://github.com/weechat/weechat/issues/2178"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2024-46613",
    "datePublished": "2024-11-10T00:00:00.000Z",
    "dateReserved": "2024-09-11T00:00:00.000Z",
    "dateUpdated": "2024-11-19T20:16:06.729Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

CVE-2022-28352 (GCVE-0-2022-28352)

Vulnerability from cvelistv5 – Published: 2022-04-02 16:36 – Updated: 2024-08-03 05:56

Summary

WeeChat (aka Wee Enhanced Environment for Chat) 3.2 to 3.4 before 3.4.1 does not properly verify the TLS certificate of the server, after certain GnuTLS options are changed, which allows man-in-the-middle attackers to spoof a TLS chat server via an arbitrary certificate. NOTE: this only affects situations where weechat.network.gnutls_ca_system or weechat.network.gnutls_ca_user is changed without a WeeChat restart.

Severity

4.3 (Medium)


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

CWE

n/a

Assigner

mitre mitre root

References

2 references

URL	Tags
https://weechat.org/doc/security/WSA-2022-1/	x_refsource_MISC
https://github.com/weechat/weechat/issues/1763	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T05:56:14.871Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://weechat.org/doc/security/WSA-2022-1/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/weechat/weechat/issues/1763"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "WeeChat (aka Wee Enhanced Environment for Chat) 3.2 to 3.4 before 3.4.1 does not properly verify the TLS certificate of the server, after certain GnuTLS options are changed, which allows man-in-the-middle attackers to spoof a TLS chat server via an arbitrary certificate. NOTE: this only affects situations where weechat.network.gnutls_ca_system or weechat.network.gnutls_ca_user is changed without a WeeChat restart."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AC:L/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:R",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-04-02T16:36:02.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://weechat.org/doc/security/WSA-2022-1/"
        },
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/weechat/weechat/issues/1763"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2022-28352",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
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                      "product_name": "n/a",
                      "version": {
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                            "version_value": "n/a"
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        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "WeeChat (aka Wee Enhanced Environment for Chat) 3.2 to 3.4 before 3.4.1 does not properly verify the TLS certificate of the server, after certain GnuTLS options are changed, which allows man-in-the-middle attackers to spoof a TLS chat server via an arbitrary certificate. NOTE: this only affects situations where weechat.network.gnutls_ca_system or weechat.network.gnutls_ca_user is changed without a WeeChat restart."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "confidentialityImpact": "LOW",
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            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
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}

CVE-2021-40516 (GCVE-0-2021-40516)

Vulnerability from cvelistv5 – Published: 2021-09-05 17:14 – Updated: 2024-08-04 02:44

Summary

WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bounds read in plugins/relay/relay-websocket.c in the Relay plugin.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre mitre root

References

3 references

URL	Tags
https://weechat.org/doc/security/	x_refsource_MISC
https://github.com/weechat/weechat/commit/8b1331f…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:44:10.836Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://weechat.org/doc/security/"
          },
          {
            "tags": [
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            ],
            "url": "https://github.com/weechat/weechat/commit/8b1331f98de1714bae15a9ca2e2b393ba49d735b"
          },
          {
            "name": "[debian-lts-announce] 20210930 [SECURITY] [DLA 2770-1] weechat security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
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              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
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        }
      ],
      "problemTypes": [
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              "lang": "en",
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            }
          ]
        }
      ],
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CVE-2020-9760 (GCVE-0-2020-9760)

Vulnerability from cvelistv5 – Published: 2020-03-23 15:39 – Updated: 2024-08-04 10:43

Summary

An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre mitre root

References

5 references

URL	Tags
https://weechat.org/doc/security/	x_refsource_MISC
https://github.com/weechat/weechat/commit/40ccacb…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/202003-51	vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

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CVE-2020-8955 (GCVE-0-2020-8955)

Vulnerability from cvelistv5 – Published: 2020-02-12 21:58 – Updated: 2024-08-04 10:19

Summary

irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a malformed IRC message 324 (channel mode).

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre mitre root

References

9 references

URL	Tags
https://weechat.org/doc/security/	x_refsource_MISC
https://github.com/weechat/weechat/commit/6f4f147…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/202003-51	vendor-advisoryx_refsource_GENTOO
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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CVE-2017-8073 (GCVE-0-2017-8073)

Vulnerability from cvelistv5 – Published: 2017-04-23 15:00 – Updated: 2024-08-05 16:27

Summary

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre mitre root

References

8 references

URL	Tags
http://www.securityfocus.com/bid/97987	vdb-entryx_refsource_BID
https://weechat.org/download/security/	x_refsource_CONFIRM
https://github.com/weechat/weechat/commit/2fb346f…	x_refsource_CONFIRM
https://weechat.org/news/95/20170422-Version-1.7.1/	x_refsource_CONFIRM
http://www.debian.org/security/2017/dsa-3836	vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Date Public

2017-04-23 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2024-46613 (GCVE-0-2024-46613)

Vulnerability from nvd – Published: 2024-11-10 00:00 – Updated: 2024-11-19 20:16

Summary

WeeChat before 4.4.2 has an integer overflow and resultant buffer overflow at core/core-string.c when there are more than two billion items in a list. This affects string_free_split_shared , string_free_split, string_free_split_command, and string_free_split_tags.

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-19 19:52 UTC

CWE

n/a
CWE-190 - Integer Overflow or Wraparound

Assigner

mitre mitre root

References

2 references

URL	Tags
https://weechat.org/doc/weechat/security/WSA-2024-1/
https://github.com/weechat/weechat/issues/2178

Impacted products

1 product

Vendor	Product	Version
weechat	weechat	Affected: 0 , < 4.4.2 (custom) cpe:2.3:a:weechat:weechat::::::::

Show details on NVD website

JSON

To clipboard

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CVE-2022-28352 (GCVE-0-2022-28352)

Vulnerability from nvd – Published: 2022-04-02 16:36 – Updated: 2024-08-03 05:56

Summary

WeeChat (aka Wee Enhanced Environment for Chat) 3.2 to 3.4 before 3.4.1 does not properly verify the TLS certificate of the server, after certain GnuTLS options are changed, which allows man-in-the-middle attackers to spoof a TLS chat server via an arbitrary certificate. NOTE: this only affects situations where weechat.network.gnutls_ca_system or weechat.network.gnutls_ca_user is changed without a WeeChat restart.

Severity

4.3 (Medium)


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

CWE

n/a

Assigner

mitre mitre root

References

2 references

URL	Tags
https://weechat.org/doc/security/WSA-2022-1/	x_refsource_MISC
https://github.com/weechat/weechat/issues/1763	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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CVE-2021-40516 (GCVE-0-2021-40516)

Vulnerability from nvd – Published: 2021-09-05 17:14 – Updated: 2024-08-04 02:44

Summary

WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bounds read in plugins/relay/relay-websocket.c in the Relay plugin.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre mitre root

References

3 references

URL	Tags
https://weechat.org/doc/security/	x_refsource_MISC
https://github.com/weechat/weechat/commit/8b1331f…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

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JSON

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CVE-2020-9760 (GCVE-0-2020-9760)

Vulnerability from nvd – Published: 2020-03-23 15:39 – Updated: 2024-08-04 10:43

Summary

An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre mitre root

References

5 references

URL	Tags
https://weechat.org/doc/security/	x_refsource_MISC
https://github.com/weechat/weechat/commit/40ccacb…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/202003-51	vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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CVE-2020-8955 (GCVE-0-2020-8955)

Vulnerability from nvd – Published: 2020-02-12 21:58 – Updated: 2024-08-04 10:19

Summary

irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a malformed IRC message 324 (channel mode).

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre mitre root

References

9 references

URL	Tags
https://weechat.org/doc/security/	x_refsource_MISC
https://github.com/weechat/weechat/commit/6f4f147…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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    "assignerShortName": "mitre",
    "cveId": "CVE-2020-8955",
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    "dateUpdated": "2024-08-04T10:19:18.178Z",
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CVE-2017-8073 (GCVE-0-2017-8073)

Vulnerability from nvd – Published: 2017-04-23 15:00 – Updated: 2024-08-05 16:27

Summary

WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.

Severity

No CVSS data available.

CWE

n/a

Assigner

mitre mitre root

References

8 references

URL	Tags
http://www.securityfocus.com/bid/97987	vdb-entryx_refsource_BID
https://weechat.org/download/security/	x_refsource_CONFIRM
https://github.com/weechat/weechat/commit/2fb346f…	x_refsource_CONFIRM
https://weechat.org/news/95/20170422-Version-1.7.1/	x_refsource_CONFIRM
http://www.debian.org/security/2017/dsa-3836	vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Date Public

2017-04-23 00:00

Show details on NVD website

JSON

To clipboard

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Find a vulnerability

Search criteria ⓘ Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
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14 vulnerabilities found for weechat by weechat

CVE-2026-53525 (GCVE-0-2026-53525)

CVE-2026-53524 (GCVE-0-2026-53524)

CVE-2024-46613 (GCVE-0-2024-46613)

CVE-2022-28352 (GCVE-0-2022-28352)

CVE-2021-40516 (GCVE-0-2021-40516)

CVE-2020-9760 (GCVE-0-2020-9760)

CVE-2020-8955 (GCVE-0-2020-8955)

CVE-2017-8073 (GCVE-0-2017-8073)

CVE-2024-46613 (GCVE-0-2024-46613)

CVE-2022-28352 (GCVE-0-2022-28352)

CVE-2021-40516 (GCVE-0-2021-40516)

CVE-2020-9760 (GCVE-0-2020-9760)

CVE-2020-8955 (GCVE-0-2020-8955)

CVE-2017-8073 (GCVE-0-2017-8073)

Find a vulnerability

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.

14 vulnerabilities found for weechat by weechat

CVE-2026-53525 (GCVE-0-2026-53525)

CVE-2026-53524 (GCVE-0-2026-53524)

CVE-2024-46613 (GCVE-0-2024-46613)

CVE-2022-28352 (GCVE-0-2022-28352)

CVE-2021-40516 (GCVE-0-2021-40516)

CVE-2020-9760 (GCVE-0-2020-9760)

CVE-2020-8955 (GCVE-0-2020-8955)

CVE-2017-8073 (GCVE-0-2017-8073)

CVE-2024-46613 (GCVE-0-2024-46613)

CVE-2022-28352 (GCVE-0-2022-28352)

CVE-2021-40516 (GCVE-0-2021-40516)

CVE-2020-9760 (GCVE-0-2020-9760)

CVE-2020-8955 (GCVE-0-2020-8955)

CVE-2017-8073 (GCVE-0-2017-8073)

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.