Potential leak of left-over heap data if custom error page templates containing special…
Priority LOW 37CWE-1188Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Potential leak of left-over heap data if custom error page templates containing special non-standard variables are used. Tinyproxy commit 84f203f and earlier use uninitialized buffers in process_request() function.
Why it matters now
EPSS 0.01897 79th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:* | up to 1.11.1 | Vulnerable | Tinyproxy Project |
- cpe:2.3:a:tinyproxy_project:tinyproxy:*:*:*:*:*:*:*:* Versions up to 1.11.1 Vulnerable ·Tinyproxy Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-40468
- 2026-10-03 Alias added: GHSA-h3r7-x4mp-2c39
References
Exploit 2
More Tinyproxy Project Tinyproxy vulnerabilities
- TI-2023-27093 Use after free in Tinyproxy CVSS 3.1CRITICAL 9.8
- TI-2026-24395 Tinyproxy HTTP request parsing desynchronization via case-sensitive Transfer-Encoding handling CVSS 4.0HIGH 8.7
- TI-2025-39495 Tinyproxy through 1.11.2 contains an integer overflow vulnerability in the… CVSS 3.1MEDIUM 6.5
- TI-2017-08702 main.c in Tinyproxy 1.8.4 and earlier creates a /run/tinyproxy/tinyproxy.pid file after… CVSS 3.0MEDIUM 5.5
Sources
- CVE-2022-40468 · CVE Program
- CVE-2022-40468 · NVD
- FIRST EPSS
- GHSA-h3r7-x4mp-2c39 · 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