CVE-2014-1551

highpriority · track · 42EPSS 0.047 · 92 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.68% (92nd) EPSS

CVSS 10 · high

Is it mine?

24 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.5–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v2.010criticalAV:N/AC:L/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v2.08.5highAV:N/AC:L/Au:N/C:C/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416US

affected products (24)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Mozilla Corp. Firefox17.0 → 31.0fstec_bduRU
Mozilla Corp. Firefox ESR24.0 → 24.7fstec_bduRU
Mozilla Corp. Thunderbird24.0 → 24.6fstec_bduRU
mozilla firefox≤ 30.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox= 24.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox= 24.0.1nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox= 24.0.2nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox= 24.1.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox= 24.1.1nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox esr= 24.2nvdUScpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozilla firefox esr= 24.3nvdUScpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozilla firefox esr= 24.4nvdUScpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozilla firefox esr= 24.5nvdUScpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozilla firefox esr= 24.6nvdUScpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozilla thunderbird≤ 24.6nvdUScpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla thunderbird= 24.0nvdUScpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla thunderbird= 24.0.1nvdUScpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla thunderbird= 24.1nvdUScpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
mozilla thunderbird= 24.1.1nvdUScpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

showing 20 of 24

also known as (7)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2014-07-23modified 2026-06-17

references (19)

External citations — patches, advisories, analysis.

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