CVE-2014-1551

critical
Published 2014-07-23 · Modified 2026-05-06
CVSS v3
CVSS v2
10.0
VIR risk
10.0

Description

Use-after-free vulnerability in the FontTableRec destructor in Mozilla Firefox before 31.0, Firefox ESR 24.x before 24.7, and Thunderbird before 24.7 on Windows allows remote attackers to execute arbitrary code via crafted use of fonts in MathML content, leading to improper handling of a DirectWrite font-face object.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2014/mfsa2014-59.html

Application impact

VendorProductVersionsFixed
mozillafirefox{"endIncluding":"30.0"}
mozillafirefox24.0
mozillafirefox24.0.1
mozillafirefox24.0.2
mozillafirefox24.1.0
mozillafirefox24.1.1
mozillafirefox_esr24.2
mozillafirefox_esr24.3
mozillafirefox_esr24.4
mozillafirefox_esr24.5
mozillafirefox_esr24.6
mozillathunderbird{"endIncluding":"24.6"}
mozillathunderbird24.0
mozillathunderbird24.0.1
mozillathunderbird24.1
mozillathunderbird24.1.1
mozillathunderbird24.2
mozillathunderbird24.3
mozillathunderbird24.4
mozillathunderbird24.5

References

Verify integrity in audit chain (admin only). AS-IS.