Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote…
Priority MEDIUM 53CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by creating JavaScript web-workers recursively.
Why it matters now
EPSS 0.07173 94th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:3.5.1:*:*:*:*:*:*:* | 3.5.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:3.5.2:*:*:*:*:*:*:* | 3.5.2 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:3.5.3:*:*:*:*:*:*:* | 3.5.3 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:3.5.4:*:*:*:*:*:*:* | 3.5.4 | Vulnerable | Mozilla |
- cpe:2.3:a:mozilla:firefox:3.5.1:*:*:*:*:*:*:* Versions 3.5.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:3.5.2:*:*:*:*:*:*:* Versions 3.5.2 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:3.5.3:*:*:*:*:*:*:* Versions 3.5.3 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:3.5.4:*:*:*:*:*:*:* Versions 3.5.4 Vulnerable ·Mozilla
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-3371
- 2026-10-03 Alias added: GHSA-hq3w-qjwj-w8fp
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-2009-3371 · CVE Program
- CVE-2009-3371 · NVD
- FIRST EPSS
- GHSA-hq3w-qjwj-w8fp · GitHub Advisory Database · CC BY 4.0
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