CVE-2012-1939

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-06-05 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

Mozilla Firefox: 10.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4
Mozilla Thunderbird ESR: 10.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4

References

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

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