CVE-2025-6395
What it is
A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 0.8% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.8% in the next 30 days (EPSS).
- Severity: 6.5 MEDIUM (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 0.8% · EPSS, next 30 days
- Weakness
- CWE-476 · NULL pointer dereference
- Record status
- Deferred
Attack profile CVSS 3.1 · 6.5
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2025-6395.md and follow it. Check whether this project is affected by CVE-2025-6395. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- https://access.redhat.com/errata/RHSA-2025:16115
- https://access.redhat.com/errata/RHSA-2025:16116
- https://access.redhat.com/errata/RHSA-2025:17181
- https://access.redhat.com/errata/RHSA-2025:17348
- https://access.redhat.com/errata/RHSA-2025:17361
- https://access.redhat.com/errata/RHSA-2025:17415
- https://access.redhat.com/errata/RHSA-2025:19088
- https://access.redhat.com/errata/RHSA-2025:22529
- https://access.redhat.com/security/cve/CVE-2025-6395
- https://bugzilla.redhat.com/show_bug.cgi?id=2376755
- https://gitlab.com/gnutls/gnutls/-/issues/1718
- https://lists.gnupg.org/pipermail/gnutls-help/2025-July/004883.html
- http://www.openwall.com/lists/oss-security/2025/07/11/3
- https://lists.debian.org/debian-lts-announce/2025/08/msg00005.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html