mod-gnutls does not validate client certificates when "GnuTLSClientVerify require" is set…
Priority LOW 34CWE-254Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
mod-gnutls does not validate client certificates when "GnuTLSClientVerify require" is set in a directory context, which allows remote attackers to spoof clients via a crafted certificate.
Why it matters now
EPSS 0.00843 58th 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mod_gnutls_project:mod_gnutls:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | airtower-luna |
- cpe:2.3:a:mod_gnutls_project:mod_gnutls:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·airtower-luna
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2009-5144
- 2026-10-03 Alias added: GHSA-8pjf-mf88-ccv8
References
More airtower-luna Mod Gnutls vulnerabilities
- TI-2023-11094 mod_gnutls contains Infinite Loop on request read timeout CVSS 3.1HIGH 7.5
- TI-2026-25718 mod_gnutils has stack-based buffer overflow caused by a long client certificate chain CVSS 3.1HIGH 7.5
- TI-2026-25719 mod_gnutls missing key purpose check in client certificate verification CVSS 3.1MEDIUM 6.8
Sources
- CVE-2009-5144 · CVE Program
- CVE-2009-5144 · NVD
- FIRST EPSS
- GHSA-8pjf-mf88-ccv8 · GitHub Advisory Database · CC BY 4.0
- CVE-2009-5144 · 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