CVE-2011-0057

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-03-02 · updated 2026-06-16
Weakness: CWE-399

Description

Use-after-free vulnerability in the Web Workers implementation in Mozilla Firefox before 3.5.17 and 3.6.x before 3.6.14, and SeaMonkey before 2.0.12, allows remote attackers to execute arbitrary code via vectors related to a JavaScript Worker and garbage collection.

Affected products

Mozilla Firefox: through 3.5.16; 3.6, 3.6.2, 3.6.3, 3.6.4, 3.6.6, 3.6.7 (+94)
Mozilla Seamonkey: through 2.0.11; 1.0, 1.0-alpha, 1.0-beta, 1.0.1, 1.0.2, 1.0.3 (+49)

References

http://downloads.avaya.com/css/P8/documents/100133195
http://www.mandriva.com/security/advisories?name=MDVSA-2011:041
http://www.mozilla.org/security/announce/2011/mfsa2011-06.html
http://www.securityfocus.com/bid/46663
https://bugzilla.mozilla.org/show_bug.cgi?id=626631
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14200
http://downloads.avaya.com/css/P8/documents/100133195
http://www.mandriva.com/security/advisories?name=MDVSA-2011:041
http://www.mozilla.org/security/announce/2011/mfsa2011-06.html
http://www.securityfocus.com/bid/46663
https://bugzilla.mozilla.org/show_bug.cgi?id=626631
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14200

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