CVE-2012-3961

Public Exploit

Description

Use-after-free vulnerability in the RangeData implementation in Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

Category

10.0
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 2.09% Top 20%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=771873 issue tracking exploit vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1211.html third party advisory vendor advisory
http://www.securityfocus.com/bid/55321 vdb entry third party advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-58.html vendor advisory
http://www.ubuntu.com/usn/USN-1548-1 third party advisory vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16514 vdb entry third party advisory signature
http://www.ubuntu.com/usn/USN-1548-2 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1210.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00014.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00011.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00028.html mailing list third party advisory vendor advisory
http://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf third party advisory

Frequently Asked Questions

What is the severity of CVE-2012-3961?
CVE-2012-3961 has been scored as a critical severity vulnerability.
How to fix CVE-2012-3961?
To fix CVE-2012-3961, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-3961 being actively exploited in the wild?
It is possible that CVE-2012-3961 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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