CVE-2012-0452

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-02-11 · updated 2026-06-16
Weakness: CWE-399

Description

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.

Affected products

Mozilla Firefox: 10.0
Mozilla Seamonkey: 2.7
Mozilla Thunderbird: 10.0

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
http://www.mandriva.com/security/advisories?name=MDVSA-2012:018
http://www.mozilla.org/security/announce/2012/mfsa2012-10.html
http://www.securityfocus.com/bid/51975
http://www.ubuntu.com/usn/USN-1360-1
https://bugzilla.mozilla.org/show_bug.cgi?id=724284
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15017
http://lists.opensuse.org/opensuse-security-announce/2012-02/msg00012.html

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