CVE-2011-2999

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-09-29 · updated 2026-06-16
Weakness: CWE-264

Description

Mozilla Firefox before 3.6.23 and 4.x through 5, Thunderbird before 6.0, and SeaMonkey before 2.3 do not properly handle "location" as the name of a frame, which allows remote attackers to bypass the Same Origin Policy via a crafted web site, a different vulnerability than CVE-2010-0170.

Affected products

Mozilla Firefox: through 3.6.22; 3.6, 3.6.2, 3.6.3, 3.6.4, 3.6.6, 3.6.7 (+29)
Mozilla Seamonkey: through 2.1; 1.0, 1.0-alpha, 1.0-beta, 1.0.1, 1.0.2, 1.0.3 (+59)
Mozilla Thunderbird: through 5.0; 0.1, 0.2, 0.3, 0.4, 0.5, 0.6 (+92)

References

http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00020.html
http://lists.opensuse.org/opensuse-updates/2011-10/msg00002.html
http://secunia.com/advisories/46315
http://www.debian.org/security/2011/dsa-2312
http://www.debian.org/security/2011/dsa-2313
http://www.debian.org/security/2011/dsa-2317
http://www.mandriva.com/security/advisories?name=MDVSA-2011:139
http://www.mandriva.com/security/advisories?name=MDVSA-2011:140
http://www.mandriva.com/security/advisories?name=MDVSA-2011:141
http://www.mozilla.org/security/announce/2011/mfsa2011-38.html
http://www.redhat.com/support/errata/RHSA-2011-1341.html
https://bugzilla.mozilla.org/show_bug.cgi?id=665548

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