Format string vulnerability in simpleproxy before 3.4 allows remote malicious HTTP…
Priority MEDIUM 40Published · 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
Format string vulnerability in simpleproxy before 3.4 allows remote malicious HTTP proxies to execute arbitrary code via format string specifiers in a reply.
Why it matters now
EPSS 0.04325 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:simpleproxy:simpleproxy:2.2b:*:*:*:*:*:*:* | 2.2b | Vulnerable | Simpleproxy |
| cpe:2.3:a:simpleproxy:simpleproxy:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Simpleproxy |
| cpe:2.3:a:simpleproxy:simpleproxy:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Simpleproxy |
| cpe:2.3:a:simpleproxy:simpleproxy:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Simpleproxy |
- cpe:2.3:a:simpleproxy:simpleproxy:2.2b:*:*:*:*:*:*:* Versions 2.2b Vulnerable ·Simpleproxy
- cpe:2.3:a:simpleproxy:simpleproxy:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Simpleproxy
- cpe:2.3:a:simpleproxy:simpleproxy:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Simpleproxy
- cpe:2.3:a:simpleproxy:simpleproxy:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Simpleproxy
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2005-1857
- 2026-10-03 Alias added: GHSA-xp5q-vpr4-hc8h
References
Sources
- CVE-2005-1857 · CVE Program
- CVE-2005-1857 · NVD
- FIRST EPSS
- GHSA-xp5q-vpr4-hc8h · GitHub Advisory Database · CC BY 4.0
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