CVE-2014-1576

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-10-15 · updated 2026-06-17
Weakness: CWE-119

Description

Heap-based buffer overflow in the nsTransformedTextRun function in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2 allows remote attackers to execute arbitrary code via Cascading Style Sheets (CSS) token sequences that trigger changes to capitalization style.

Affected products

Mozilla Firefox: through 32.0; 31.0, 31.1.0, 30.0
Mozilla Thunderbird: 31.0, 31.1.0

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-November/141796.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/141085.html
http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00024.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
http://lists.opensuse.org/opensuse-updates/2014-11/msg00000.html
http://lists.opensuse.org/opensuse-updates/2014-11/msg00001.html
http://lists.opensuse.org/opensuse-updates/2014-11/msg00002.html
http://lists.opensuse.org/opensuse-updates/2014-11/msg00003.html
http://rhn.redhat.com/errata/RHSA-2014-1635.html
http://secunia.com/advisories/61387
http://secunia.com/advisories/61854
http://secunia.com/advisories/62021

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