CVE-2012-1939

no score yetEPSS 3.1%

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.

EPSS: 3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2012-06-05
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox
mozilla:thunderbird_esr

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

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