{"id":"UBUNTU-CVE-2020-8955","details":"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).","modified":"2026-04-22T12:44:14.436752Z","published":"2020-02-12T22:15:00Z","related":["USN-5258-1"],"upstream":["CVE-2020-8955"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8955"},{"type":"REPORT","url":"https://github.com/weechat/weechat/commit/6f4f147d8e86adf9ad34a8ffd7e7f1f23a7e74da"},{"type":"REPORT","url":"https://weechat.org/doc/security/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5258-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-8955"}],"affected":[{"package":{"name":"weechat","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/weechat@1.4-2ubuntu0.1+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4-2ubuntu0.1+esm1"}]}],"versions":["1.3-1","1.3-1build1","1.4-1","1.4-1build1","1.4-1build2","1.4-2","1.4-2ubuntu0.1"],"ecosystem_specific":{"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"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8955.json"}},{"package":{"name":"weechat","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/weechat@1.9.1-1ubuntu1+esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.1-1ubuntu1+esm1"}]}],"versions":["1.9.1-1","1.9.1-1build1","1.9.1-1ubuntu1"],"ecosystem_specific":{"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"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8955.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}