CVE-2012-4191

no score yetEPSS 3.9%

The mozilla::net::FailDelayManager::Lookup function in the WebSockets implementation in Mozilla Firefox before 16.0.1, Thunderbird before 16.0.1, and SeaMonkey before 2.13.1 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

EPSS: 3.9% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2012-10-12
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

canonical:ubuntu_linux
mozilla:firefox
mozilla:seamonkey
mozilla:thunderbird

References

http://osvdb.org/86125
http://secunia.com/advisories/50904
http://secunia.com/advisories/50929
http://secunia.com/advisories/50984
http://www.mozilla.org/security/announce/2012/mfsa2012-88.html

Check your stack JSON