CVE-2012-1946

Description

Use-after-free vulnerability in the nsINode::ReplaceOrInsertBefore function in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.5, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.5, and SeaMonkey before 2.10 might allow remote attackers to execute arbitrary code via document changes involving replacement or insertion of a node.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 1.45% Top 25%
Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.mozilla.org/security/announce/2012/mfsa2012-38.html vendor advisory
http://secunia.com/advisories/49981 third party advisory permissions required
https://bugzilla.mozilla.org/show_bug.cgi?id=750109 issue tracking
http://www.mandriva.com/security/advisories?name=MDVSA-2012:088 vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-0710.html vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17010 vdb entry signature
http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00012.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00015.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-0715.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-1946?
CVE-2012-1946 has been scored as a critical severity vulnerability.
How to fix CVE-2012-1946?
To fix CVE-2012-1946, 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-2012-1946 being actively exploited in the wild?
It is possible that CVE-2012-1946 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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