CVE-2012-0452

no score yetEPSS 3.0%

Use-after-free vulnerability in Mozilla Firefox 10.x before 10.0.1, Thunderbird 10.x before 10.0.1, and SeaMonkey 2.7 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger failure of an nsXBLDocumentInfo::ReadPrototypeBindings function call, related to the cycle collector's access to a hash table containing a stale XBL binding.

EPSS: 3.0% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWE: CWE-399
Published: 2012-02-11
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox
mozilla:seamonkey
mozilla:thunderbird

References

http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00013.html
http://secunia.com/advisories/48110
http://secunia.com/advisories/49055
http://www.mandriva.com/security/advisories?name=MDVSA-2012:017

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