{"id":"CVE-2012-5854","aliases":["DEBIAN-CVE-2012-5854","EUVD-2012-5732","GHSA-rm2r-8wh7-276p"],"status":"published","title":"Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a...","description":"Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.05543,"percentile":0.92887,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2012-11-19T11:00:00Z","modified":"2026-10-23T17:47:23Z","fixes":[{"ecosystem":"Debian:12","package":"weechat","fixed_in":["0.3.9.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"weechat","fixed_in":["0.3.9.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"weechat","fixed_in":["0.3.9.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"weechat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.9.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"weechat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.9.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"weechat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.3.9.1-1"}]}]}],"products":[{"vendor":"flashtux","product":"weechat"}],"references":[{"url":"http://osvdb.org/87279","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/56482","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092536.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://secunia.com/advisories/51377","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://savannah.nongnu.org/bugs/?37704","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/11/12/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0330","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2012-11/msg00087.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092228.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://weechat.org/security/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:136","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092490.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-5854"},{"url":"http://weechat.org/security"},{"url":"https://github.com/advisories/GHSA-rm2r-8wh7-276p"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-5854","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-5854","description":"Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.","status":"published","published":"2012-11-19T11:00:00Z","modified":"2024-08-06T21:21:27.375Z","updated_at":"2026-11-02T14:34:49.600255Z"}],"euvd":[{"id":"EUVD-2012-5732","description":"Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.","status":"published","published":"2012-11-19T11:00:00Z","modified":"2024-08-06T21:21:27Z","updated_at":"2026-11-03T01:56:03.550057Z"}],"ghsa":[{"id":"GHSA-rm2r-8wh7-276p","title":"Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a...","description":"Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.","status":"published","published":"2022-05-17T04:53:24Z","modified":"2025-04-11T04:06:04Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:13.040475Z"}],"nvd":[{"id":"CVE-2012-5854","description":"Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.","status":"published","published":"2012-11-19T12:10:54.417Z","modified":"2026-06-16T23:47:27.97Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:16.536025Z"}],"osv":[{"id":"CVE-2012-5854","description":"Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.","status":"published","published":"2012-11-19T12:10:54Z","modified":"2026-04-10T03:44:21.027577Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-5854","description":"Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.","status":"published","published":"2012-11-19T12:10:54.417Z","modified":"2026-10-23T17:47:23.940313126Z","updated_at":"2026-11-02T15:45:25.218101Z"}]}}