usn-5258-1
Vulnerability from osv_ubuntu
Published
2022-02-04 16:38
Modified
2026-06-25 10:46
Summary
weechat vulnerabilities
Details

Stuart Nevans Locke discovered that WeeChat's relay plugin insecurely handled malformed websocket frames. A remote attacker in control of a server could possibly use this issue to cause denial of service in a client. (CVE-2021-40516)

Stuart Nevans Locke discovered that WeeChat insecurely handled certain IRC messages. A remote attacker in control of a server could possibly use this issue to cause denial of service in a client. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2020-9760)

Stuart Nevans Locke discovered that WeeChat insecurely handled certain IRC messages. A remote unauthenticated attacker could possibly use these issues to cause denial of service in a client. These issues only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2020-9759, CVE-2020-8955)

Joseph Bisch discovered that WeeChat's logger incorrectly handled certain memory operations when handling log file names. A remote attacker could possibly use this issue to cause denial of service in a client. This issue only affected Ubuntu 16.04 ESM. (CVE-2017-14727)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2017-14727",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-8955",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-9759",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-9760",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-40516",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "weechat",
            "binary_version": "1.4-2ubuntu0.1+esm1"
          },
          {
            "binary_name": "weechat-core",
            "binary_version": "1.4-2ubuntu0.1+esm1"
          },
          {
            "binary_name": "weechat-curses",
            "binary_version": "1.4-2ubuntu0.1+esm1"
          },
          {
            "binary_name": "weechat-plugins",
            "binary_version": "1.4-2ubuntu0.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "weechat",
        "purl": "pkg:deb/ubuntu/weechat@1.4-2ubuntu0.1+esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4-2ubuntu0.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3-1",
        "1.3-1build1",
        "1.4-1",
        "1.4-1build1",
        "1.4-1build2",
        "1.4-2",
        "1.4-2ubuntu0.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-8955",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-9759",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-9760",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-40516",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "weechat",
            "binary_version": "1.9.1-1ubuntu1+esm1"
          },
          {
            "binary_name": "weechat-core",
            "binary_version": "1.9.1-1ubuntu1+esm1"
          },
          {
            "binary_name": "weechat-curses",
            "binary_version": "1.9.1-1ubuntu1+esm1"
          },
          {
            "binary_name": "weechat-plugins",
            "binary_version": "1.9.1-1ubuntu1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "weechat",
        "purl": "pkg:deb/ubuntu/weechat@1.9.1-1ubuntu1+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.1-1ubuntu1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.9.1-1",
        "1.9.1-1build1",
        "1.9.1-1ubuntu1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-40516",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "weechat",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "weechat-core",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "weechat-curses",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "weechat-guile",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "weechat-headless",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "weechat-lua",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "weechat-perl",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "weechat-php",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "weechat-plugins",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "weechat-python",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "weechat-ruby",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          },
          {
            "binary_name": "weechat-tcl",
            "binary_version": "2.8-1ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "weechat",
        "purl": "pkg:deb/ubuntu/weechat@2.8-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.8-1ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.6-2",
        "2.6-2build1",
        "2.6-2build2",
        "2.6-2ubuntu1",
        "2.6-2ubuntu2",
        "2.8-1"
      ]
    }
  ],
  "aliases": [],
  "details": "Stuart Nevans Locke discovered that WeeChat\u0027s relay plugin insecurely handled\nmalformed websocket frames. A remote attacker in control of a server\ncould possibly use this issue to cause denial of service in a client.\n(CVE-2021-40516)\n\nStuart Nevans Locke discovered that WeeChat insecurely handled certain\nIRC messages. A remote attacker in control of a server could possibly use\nthis issue to cause denial of service in a client. This issue only affected\nUbuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2020-9760)\n\nStuart Nevans Locke discovered that WeeChat insecurely handled certain\nIRC messages. A remote unauthenticated attacker could possibly use these\nissues to cause denial of service in a client. These issues only affected\nUbuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2020-9759, CVE-2020-8955)\n\nJoseph Bisch discovered that WeeChat\u0027s logger incorrectly handled certain\nmemory operations when handling log file names. A remote attacker could possibly\nuse this issue to cause denial of service in a client. This issue only\naffected Ubuntu 16.04 ESM. (CVE-2017-14727)\n",
  "id": "USN-5258-1",
  "modified": "2026-06-25T10:46:03Z",
  "published": "2022-02-04T16:38:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5258-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-14727"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8955"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-9759"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-9760"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-40516"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "weechat vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2017-14727",
    "UBUNTU-CVE-2020-8955",
    "UBUNTU-CVE-2020-9759",
    "UBUNTU-CVE-2020-9760",
    "UBUNTU-CVE-2021-40516"
  ]
}



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