CVE-2011-0055

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.2% 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 JSON.stringify method in js3250.dll 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 unspecified vectors related to the js_HasOwnProperty function 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/mfsa2011-03.html
http://www.securityfocus.com/archive/1/516802
http://www.securityfocus.com/bid/46661
http://www.zerodayinitiative.com/advisories/ZDI-11-103/
https://bugzilla.mozilla.org/show_bug.cgi?id=616009
https://bugzilla.mozilla.org/show_bug.cgi?id=619255
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14476
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/mfsa2011-03.html

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