CVE-2025-6395
Gnutls: null pointer dereference in _gnutls_figure_common_ciphersuite()
- State
- Published
- Severity
- 6.5 Medium
- Published
- Jul 10, 2025
- Updated
- Oct 15, 2026
- Reserved
- Jun 20, 2025
Description
A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H | redhat |
Weaknesses
- CWE-476 NULL Pointer Dereference
Affected Products
| Product | Versions |
|---|---|
libgnutls |
|
Red Hat Enterprise Linux 10Red Hat |
|
Red Hat Enterprise Linux 8Red Hat |
|
Red Hat Enterprise Linux 8Red Hat |
|
Red Hat Enterprise Linux 9Red Hat |
|
Red Hat Enterprise Linux 9Red Hat |
|
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat |
|
Red Hat Enterprise Linux 9.4 Extended Update SupportRed Hat |
|
Red Hat Ceph Storage 7Red Hat |
|
Red Hat Discovery 2Red Hat |
|
Red Hat Insights proxy 1.5Red Hat |
|
Red Hat Enterprise Linux 6Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat OpenShift Container Platform 4Red Hat | |
Red Hat OpenShift Container Platform 4Red Hat |
References
- RHSA-2025:16115vendor-advisory
- RHSA-2025:16116vendor-advisory
- RHSA-2025:17181vendor-advisory
- RHSA-2025:17348vendor-advisory
- RHSA-2025:17361vendor-advisory
- RHSA-2025:17415vendor-advisory
- RHSA-2025:19088vendor-advisory
- RHSA-2025:22529vendor-advisory
- https://access.redhat.com/security/cve/CVE-2025-6395vdb-entry
- RHBZ#2376755issue-tracking
- https://gitlab.com/gnutls/gnutls/-/issues/1718
- https://lists.gnupg.org/pipermail/gnutls-help/2025-July/004883.html
- https://lists.debian.org/debian-lts-announce/2025/08/msg00005.html
- http://www.openwall.com/lists/oss-security/2025/07/11/3
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
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