CVE-2012-5854

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-11-19 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

Flashtux Weechat: 0.3.6, 0.3.7, 0.3.8, 0.3.9

References

http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092228.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092490.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092536.html
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00087.html
http://osvdb.org/87279
http://secunia.com/advisories/51377
http://weechat.org/security/
http://www.mandriva.com/security/advisories?name=MDVSA-2013:136
http://www.openwall.com/lists/oss-security/2012/11/12/2
http://www.securityfocus.com/bid/56482
https://savannah.nongnu.org/bugs/?37704

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