Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which…
Priority LOW 27CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers a sequence of rendering operations for truncated GIF data within a CANVAS element.
Why it matters now
EPSS 0.0227 83rd 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | up to 32.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:30.0:*:*:*:*:*:*:* | 30.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:31.0:*:*:*:*:*:*:* | 31.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:31.1.0:*:*:*:*:*:*:* | 31.1.0 | Vulnerable | Mozilla |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 32.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:30.0:*:*:*:*:*:*:* Versions 30.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:31.0:*:*:*:*:*:*:* Versions 31.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:31.1.0:*:*:*:*:*:*:* Versions 31.1.0 Vulnerable ·Mozilla
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2014-1580
- 2026-10-03 Alias added: GHSA-g7cc-vgx4-gjp5
References
Advisory 7
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-2014-1580 · CVE Program
- CVE-2014-1580 · NVD
- FIRST EPSS
- GHSA-g7cc-vgx4-gjp5 · GitHub Advisory Database · CC BY 4.0
- CVE-2014-1580 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences