CVE-2011-0056

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% 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-119

Description

Buffer overflow in the JavaScript engine in Mozilla Firefox before 3.5.17 and 3.6.x before 3.6.14, and SeaMonkey before 2.0.12, might allow remote attackers to execute arbitrary code via vectors involving exception timing and a large number of string values, aka an "atom map" issue.

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/mfsa2011-05.html
http://www.securityfocus.com/bid/46650
https://bugzilla.mozilla.org/show_bug.cgi?id=622015
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14013
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/mfsa2011-05.html
http://www.securityfocus.com/bid/46650
https://bugzilla.mozilla.org/show_bug.cgi?id=622015
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14013

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