{"cve":"CVE-2012-5854","nvd":{"published":"2012-11-19T12:10:54.417","modified":"2026-06-16T23:47:27.970","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"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"],"products":["flashtux:weechat"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-5854","score":0.05543,"percentile":0.92833,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}