CVE-2012-5854

NONECVSS 0.0

0.0

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 v3: —
EG Score: 0.0(none)
EPSS: 91.8%
KEV: Not listed

Published

November 19, 2012

Last Modified

April 29, 2026

References (26)

cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2012-November/092228.html
cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2012-November/092490.html
cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2012-November/092536.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html
cve@mitrehttp://lists.opensuse.org/opensuse-updates/2012-11/msg00087.html
cve@mitrehttp://osvdb.org/87279
cve@mitrehttp://secunia.com/advisories/51377
cve@mitrehttp://weechat.org/security/
cve@mitrehttp://www.mandriva.com/security/advisories?name=MDVSA-2013:136
cve@mitrehttp://www.openwall.com/lists/oss-security/2012/11/12/2
cve@mitrehttp://www.securityfocus.com/bid/56482
cve@mitrehttps://savannah.nongnu.org/bugs/?37704
cve@mitrehttps://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0330
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092228.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092490.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

Data Freshness Timeline

(refreshed 10× in last 7d / 50× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-24 14:02 UTCEPSS rescore
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2026-06-16 22:13 UTCOSV refresh
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2026-06-05 22:44 UTCEPSS rescore
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2026-05-29 13:41 UTCEPSS rescore
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2026-05-29 01:50 UTCEG score recompute
2026-05-29 01:50 UTCGHSA enrichment
2026-05-28 13:42 UTCEPSS rescore
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2026-05-24 16:43 UTCEPSS rescore
2026-05-24 12:51 UTCOSV refresh
2026-05-22 21:15 UTCEPSS rescore
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2026-05-21 22:39 UTCEPSS rescore
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2026-05-18 21:29 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore

Frequently asked(4)

What is CVE-2012-5854?

CVE-2012-5854 is a none vulnerability published on November 19, 2012. 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.

When was CVE-2012-5854 disclosed?

CVE-2012-5854 was first published in the National Vulnerability Database on November 19, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2012-5854 actively exploited?

CVE-2012-5854 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2012-5854?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-5854, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2012-5854

📅 Published

🔄 Last Modified

🔗 References (26)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2012-5854?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (26)

Frequently asked(4)

Related CVEs(same CWE)