Firefox before 1.0 and Mozilla before 1.7.5, when configured to use a proxy, respond to…
Priority LOW 36Published · 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
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Firefox before 1.0 and Mozilla before 1.7.5, when configured to use a proxy, respond to 407 proxy auth requests from arbitrary servers, which allows remote attackers to steal NTLM or SPNEGO credentials.
Why it matters now
EPSS 0.01405 72nd 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 · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:0.8:*:*:*:*:*:*:* | 0.8 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:0.9:*:*:*:*:*:*:* | 0.9 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:0.9.1:*:*:*:*:*:*:* | 0.9.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:0.9.2:*:*:*:*:*:*:* | 0.9.2 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:0.9.3:*:*:*:*:*:*:* | 0.9.3 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:mozilla:1.7:*:*:*:*:*:*:* | 1.7 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:mozilla:1.7:rc3:*:*:*:*:*:* | 1.7 rc3 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:mozilla:1.7.1:*:*:*:*:*:*:* | 1.7.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:mozilla:1.7.2:*:*:*:*:*:*:* | 1.7.2 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:mozilla:1.7.3:*:*:*:*:*:*:* | 1.7.3 | Vulnerable | Mozilla |
- cpe:2.3:a:mozilla:firefox:0.8:*:*:*:*:*:*:* Versions 0.8 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:0.9:*:*:*:*:*:*:* Versions 0.9 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:0.9.1:*:*:*:*:*:*:* Versions 0.9.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:0.9.2:*:*:*:*:*:*:* Versions 0.9.2 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:0.9.3:*:*:*:*:*:*:* Versions 0.9.3 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:mozilla:1.7:*:*:*:*:*:*:* Versions 1.7 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:mozilla:1.7:rc3:*:*:*:*:*:* Versions 1.7 rc3 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:mozilla:1.7.1:*:*:*:*:*:*:* Versions 1.7.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:mozilla:1.7.2:*:*:*:*:*:*:* Versions 1.7.2 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:mozilla:1.7.3:*:*:*:*:*:*:* Versions 1.7.3 Vulnerable ·Mozilla
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2005-0147
- 2026-10-03 Alias added: GHSA-25p3-2r5q-956q
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-2005-0147 · CVE Program
- CVE-2005-0147 · NVD
- FIRST EPSS
- GHSA-25p3-2r5q-956q · GitHub Advisory Database · CC BY 4.0
- CVE-2005-0147 · 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