The _gnutls_x509_oid2mac_algorithm function in lib/gnutls_algorithms.c in GnuTLS before…
Priority LOW 26CWE-310Published · 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
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The _gnutls_x509_oid2mac_algorithm function in lib/gnutls_algorithms.c in GnuTLS before 1.4.2 allows remote attackers to cause a denial of service (crash) via a crafted X.509 certificate that uses a hash algorithm that is not supported by GnuTLS, which triggers a NULL pointer dereference.
Why it matters now
EPSS 0.01545 75th percentileScored 2026-11-07
Fix Fixed 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 · 42
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* | up to 1.4.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.0.16:*:*:*:*:*:*:* | 1.0.16 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.0.17:*:*:*:*:*:*:* | 1.0.17 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.0.18:*:*:*:*:*:*:* | 1.0.18 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.0.19:*:*:*:*:*:*:* | 1.0.19 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.0.20:*:*:*:*:*:*:* | 1.0.20 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.0.21:*:*:*:*:*:*:* | 1.0.21 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.0.22:*:*:*:*:*:*:* | 1.0.22 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.0.23:*:*:*:*:*:*:* | 1.0.23 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.0.24:*:*:*:*:*:*:* | 1.0.24 | Vulnerable | GNU |
- cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* Versions up to 1.4.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.0.16:*:*:*:*:*:*:* Versions 1.0.16 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.0.17:*:*:*:*:*:*:* Versions 1.0.17 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.0.18:*:*:*:*:*:*:* Versions 1.0.18 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.0.19:*:*:*:*:*:*:* Versions 1.0.19 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.0.20:*:*:*:*:*:*:* Versions 1.0.20 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.0.21:*:*:*:*:*:*:* Versions 1.0.21 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.0.22:*:*:*:*:*:*:* Versions 1.0.22 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.0.23:*:*:*:*:*:*:* Versions 1.0.23 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.0.24:*:*:*:*:*:*:* Versions 1.0.24 Vulnerable ·GNU
Show 32 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnu:gnutls:1.0.25:*:*:*:*:*:*:* | 1.0.25 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.1.13:*:*:*:*:*:*:* | 1.1.13 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.1.14:*:*:*:*:*:*:* | 1.1.14 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.1.15:*:*:*:*:*:*:* | 1.1.15 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.1.16:*:*:*:*:*:*:* | 1.1.16 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.1.17:*:*:*:*:*:*:* | 1.1.17 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.1.18:*:*:*:*:*:*:* | 1.1.18 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.1.19:*:*:*:*:*:*:* | 1.1.19 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.1.20:*:*:*:*:*:*:* | 1.1.20 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.1.21:*:*:*:*:*:*:* | 1.1.21 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.1.22:*:*:*:*:*:*:* | 1.1.22 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.1.23:*:*:*:*:*:*:* | 1.1.23 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.0:*:*:*:*:*:*:* | 1.2.0 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.1:*:*:*:*:*:*:* | 1.2.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.2:*:*:*:*:*:*:* | 1.2.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.3:*:*:*:*:*:*:* | 1.2.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.4:*:*:*:*:*:*:* | 1.2.4 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.5:*:*:*:*:*:*:* | 1.2.5 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.6:*:*:*:*:*:*:* | 1.2.6 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.7:*:*:*:*:*:*:* | 1.2.7 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.8:*:*:*:*:*:*:* | 1.2.8 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.8.1a1:*:*:*:*:*:*:* | 1.2.8.1a1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.9:*:*:*:*:*:*:* | 1.2.9 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.10:*:*:*:*:*:*:* | 1.2.10 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.2.11:*:*:*:*:*:*:* | 1.2.11 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.3.0:*:*:*:*:*:*:* | 1.3.0 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.3.1:*:*:*:*:*:*:* | 1.3.1 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.3.2:*:*:*:*:*:*:* | 1.3.2 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.3.3:*:*:*:*:*:*:* | 1.3.3 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.3.4:*:*:*:*:*:*:* | 1.3.4 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.3.5:*:*:*:*:*:*:* | 1.3.5 | Vulnerable | GNU |
| cpe:2.3:a:gnu:gnutls:1.4.0:*:*:*:*:*:*:* | 1.4.0 | Vulnerable | GNU |
- cpe:2.3:a:gnu:gnutls:1.0.25:*:*:*:*:*:*:* Versions 1.0.25 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.1.13:*:*:*:*:*:*:* Versions 1.1.13 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.1.14:*:*:*:*:*:*:* Versions 1.1.14 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.1.15:*:*:*:*:*:*:* Versions 1.1.15 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.1.16:*:*:*:*:*:*:* Versions 1.1.16 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.1.17:*:*:*:*:*:*:* Versions 1.1.17 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.1.18:*:*:*:*:*:*:* Versions 1.1.18 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.1.19:*:*:*:*:*:*:* Versions 1.1.19 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.1.20:*:*:*:*:*:*:* Versions 1.1.20 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.1.21:*:*:*:*:*:*:* Versions 1.1.21 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.1.22:*:*:*:*:*:*:* Versions 1.1.22 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.1.23:*:*:*:*:*:*:* Versions 1.1.23 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.3:*:*:*:*:*:*:* Versions 1.2.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.4:*:*:*:*:*:*:* Versions 1.2.4 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.5:*:*:*:*:*:*:* Versions 1.2.5 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.6:*:*:*:*:*:*:* Versions 1.2.6 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.7:*:*:*:*:*:*:* Versions 1.2.7 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.8:*:*:*:*:*:*:* Versions 1.2.8 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.8.1a1:*:*:*:*:*:*:* Versions 1.2.8.1a1 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.9:*:*:*:*:*:*:* Versions 1.2.9 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.10:*:*:*:*:*:*:* Versions 1.2.10 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.2.11:*:*:*:*:*:*:* Versions 1.2.11 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.3.2:*:*:*:*:*:*:* Versions 1.3.2 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.3.4:*:*:*:*:*:*:* Versions 1.3.4 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.3.5:*:*:*:*:*:*:* Versions 1.3.5 Vulnerable ·GNU
- cpe:2.3:a:gnu:gnutls:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·GNU
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| RHEL Desktop Workstation (v. 5 client) | Fixed | — |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | — |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | — |
Not affected: 2 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2006-7239
- 2026-10-03 Alias added: GHSA-p7rq-x368-qjpx
References
More Gnutls vulnerabilities
- TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
- TI-2026-03321 Gnutls: gnutls: policy bypass due to case-sensitive nameconstraints comparison CVSS 3.1HIGH 7.4
- TI-2024-00525 Gnutls: rejects certificate chain with distributed trust CVSS 3.1HIGH 7.5
- TI-2023-00345 Observable discrepancy in gnutls CVSS 3.1HIGH 7.4
- TI-2019-02841 Use after free in gnutls CVSS 3.0HIGH 7.5
- TI-2017-03378 Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2006-7239 · CVE Program
- CVE-2006-7239 · NVD
- FIRST EPSS
- GHSA-p7rq-x368-qjpx · GitHub Advisory Database · CC BY 4.0
- CVE-2006-7239 · 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