CVE-2012-1939

Description

jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does not properly determine data types, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via crafted JavaScript code.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 4.41% Top 15%
Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory mozilla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=748613
http://www.mandriva.com/security/advisories?name=MDVSA-2012:088 vendor advisory
http://www.debian.org/security/2012/dsa-2499 vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-0710.html vendor advisory
http://www.mozilla.org/security/announce/2012/mfsa2012-34.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-06/msg00012.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-0715.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-1939?
CVE-2012-1939 has been scored as a critical severity vulnerability.
How to fix CVE-2012-1939?
To fix CVE-2012-1939, 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-2012-1939 being actively exploited in the wild?
It is possible that CVE-2012-1939 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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