CVE-2011-2991
The browser engine in Mozilla Firefox 4.x through 5, SeaMonkey 2.x before 2.3, Thunderbird before 6, and possibly other products does not properly implement JavaScript, which allows remote attackers to cause a denial of service (memory corruption and…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The browser engine in Mozilla Firefox 4.x through 5, SeaMonkey 2.x before 2.3, Thunderbird before 6, and possibly other products does not properly implement JavaScript, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.
- CVSS 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 4.52% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- mozilla/firefox · mozilla/thunderbird · mozilla/seamonkey
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html
- http://secunia.com/advisories/49055
- http://www.mozilla.org/security/announce/2011/mfsa2011-29.htmlVendor Advisory
- http://www.mozilla.org/security/announce/2011/mfsa2011-31.html
- http://www.mozilla.org/security/announce/2011/mfsa2011-33.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=655660
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14303
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html
- http://secunia.com/advisories/49055
- http://www.mozilla.org/security/announce/2011/mfsa2011-29.htmlVendor Advisory
- http://www.mozilla.org/security/announce/2011/mfsa2011-31.html
- http://www.mozilla.org/security/announce/2011/mfsa2011-33.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=655660
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14303
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.