CVE-2011-2999
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…
Does this matter?
Lower severity and a low EPSS score (1.09%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 1.09% probability · 65th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- mozilla/firefox · mozilla/thunderbird · mozilla/seamonkey
- Source
- cve@mitre.org
EPSS 1.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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.htmlVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2011-1341.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=665548
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14252
- 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.htmlVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2011-1341.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=665548
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14252
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.