{"id":"UBUNTU-CVE-2020-9760","details":"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.","modified":"2026-04-22T12:44:36.157021Z","published":"2020-03-23T16:15:00Z","related":["USN-5258-1"],"upstream":["CVE-2020-9760"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-9760"},{"type":"REPORT","url":"https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html"},{"type":"REPORT","url":"https://security.gentoo.org/glsa/202003-51"},{"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-2020-9760"}],"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_version":"1.4-2ubuntu0.1+esm1","binary_name":"weechat-curses"},{"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-2020-9760.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":{"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"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9760.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"}]}