Use-after-free vulnerability in the FontTableRec destructor in Mozilla Firefox before…
Priority MEDIUM 50Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.04682 91st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 21
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | up to 30.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:24.0:*:*:*:*:*:*:* | 24.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:24.0.1:*:*:*:*:*:*:* | 24.0.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:24.0.2:*:*:*:*:*:*:* | 24.0.2 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:24.1.0:*:*:*:*:*:*:* | 24.1.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:24.1.1:*:*:*:*:*:*:* | 24.1.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox_esr:24.2:*:*:*:*:*:*:* | 24.2 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox_esr:24.3:*:*:*:*:*:*:* | 24.3 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox_esr:24.4:*:*:*:*:*:*:* | 24.4 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox_esr:24.5:*:*:*:*:*:*:* | 24.5 | Vulnerable | Mozilla |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 30.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:24.0:*:*:*:*:*:*:* Versions 24.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:24.0.1:*:*:*:*:*:*:* Versions 24.0.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:24.0.2:*:*:*:*:*:*:* Versions 24.0.2 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:24.1.0:*:*:*:*:*:*:* Versions 24.1.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:24.1.1:*:*:*:*:*:*:* Versions 24.1.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox_esr:24.2:*:*:*:*:*:*:* Versions 24.2 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox_esr:24.3:*:*:*:*:*:*:* Versions 24.3 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox_esr:24.4:*:*:*:*:*:*:* Versions 24.4 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox_esr:24.5:*:*:*:*:*:*:* Versions 24.5 Vulnerable ·Mozilla
Show 11 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox_esr:24.6:*:*:*:*:*:*:* | 24.6 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | up to 24.6 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:24.0:*:*:*:*:*:*:* | 24.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:24.0.1:*:*:*:*:*:*:* | 24.0.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:24.1:*:*:*:*:*:*:* | 24.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:24.1.1:*:*:*:*:*:*:* | 24.1.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:24.2:*:*:*:*:*:*:* | 24.2 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:24.3:*:*:*:*:*:*:* | 24.3 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:24.4:*:*:*:*:*:*:* | 24.4 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:24.5:*:*:*:*:*:*:* | 24.5 | Vulnerable | Mozilla |
| cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
- cpe:2.3:a:mozilla:firefox_esr:24.6:*:*:*:*:*:*:* Versions 24.6 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions up to 24.6 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:24.0:*:*:*:*:*:*:* Versions 24.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:24.0.1:*:*:*:*:*:*:* Versions 24.0.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:24.1:*:*:*:*:*:*:* Versions 24.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:24.1.1:*:*:*:*:*:*:* Versions 24.1.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:24.2:*:*:*:*:*:*:* Versions 24.2 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:24.3:*:*:*:*:*:*:* Versions 24.3 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:24.4:*:*:*:*:*:*:* Versions 24.4 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:24.5:*:*:*:*:*:*:* Versions 24.5 Vulnerable ·Mozilla
- cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2014-1551
- 2026-10-03 Alias added: GHSA-jchp-2m7r-cc5v
References
More Mozilla Firefox vulnerabilities
- TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
- TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
- TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2014-1551 · CVE Program
- CVE-2014-1551 · NVD
- FIRST EPSS
- GHSA-jchp-2m7r-cc5v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences