CVE-2012-5854
Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-5854- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-5854- Updated
- 2026-11-02
EUVDEUVD-2012-5732 No score
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.
- Record
EUVD-2012-5732- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rm2r-8wh7-276p No score
Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a...
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.
- Record
GHSA-rm2r-8wh7-276p- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2012-5854- Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-5854 No score
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.
- Record
DEBIAN-CVE-2012-5854- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-5854 is a high vulnerability (CVSS 7.5) in Flashtux Weechat, published November 19, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.54%, the 92nd percentile. Fixed in weechat 0.3.9.1-1.
References
osvdb.org/87279
securityfocus.com/bid/56482
lists.fedoraproject.org/pipermail/package-announce/2012-November/092536.html
secunia.com/advisories/51377
lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html
savannah.nongnu.org/bugs?37704
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openwall.com/lists/oss-security/2012/11/12/2
wiki.mageia.org/en/Support/Advisories/MGASA-2012-0330
weechat.org/security
mandriva.com/security/advisories?name=MDVSA-2013:136
nvd.nist.gov/vuln/detail/CVE-2012-5854
github.com/advisories/GHSA-rm2r-8wh7-276p
security-tracker.debian.org/tracker/CVE-2012-5854