CVE-2012-1947

Description

Heap-based buffer overflow in the utf16_to_isolatin1 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 allows remote attackers to execute arbitrary code via vectors that trigger a character-set conversion failure.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 5.79% Top 10%
Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.mandriva.com/security/advisories?name=MDVSA-2012:088 vendor advisory
http://www.debian.org/security/2012/dsa-2488 vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16911 signature vdb entry
http://rhn.redhat.com/errata/RHSA-2012-0710.html vendor advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-40.html vendor advisory
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://www.debian.org/security/2012/dsa-2489 vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-0715.html vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=744541

Frequently Asked Questions

What is the severity of CVE-2012-1947?
CVE-2012-1947 has been scored as a critical severity vulnerability.
How to fix CVE-2012-1947?
To fix CVE-2012-1947, 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-2012-1947 being actively exploited in the wild?
It is possible that CVE-2012-1947 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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