CVE catalog
CVE-2025-6395
GnuTLS vulnerabilities
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.77% · Oct 25, 2026
A NULL pointer dereference flaw was found in the GnuTLS software in _gnutls_figure_common_ciphersuite().
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | gnutls28 | sid | 3.8.13-1 | fixed |
| Debian | gnutls28 | forky | 3.8.13-1 | fixed |
| Debian | gnutls28 | trixie | 3.8.9-3+deb13u4 | fixed |
| Debian | gnutls28 | trixie-security | 3.8.9-3+deb13u4 | fixed |
| Debian | gnutls28 | bookworm | 3.7.9-2+deb12u7 | fixed |
| Debian | gnutls28 | bookworm-security | 3.7.9-2+deb12u7 | fixed |
| Ubuntu | gnutls28 | noble | 3.8.3-1.1ubuntu3.4 | fixed |
| Ubuntu | gnutls-bin | noble | 3.8.3-1.1ubuntu3.4 | fixed |
| Ubuntu | gnutls-doc | noble | 3.8.3-1.1ubuntu3.4 | fixed |
| Ubuntu | libgnutls-dane0t64 | noble | 3.8.3-1.1ubuntu3.4 | fixed |
| Ubuntu | libgnutls-openssl27t64 | noble | 3.8.3-1.1ubuntu3.4 | fixed |
| Ubuntu | libgnutls28-dev | noble | 3.8.3-1.1ubuntu3.4 | fixed |
| Ubuntu | libgnutls30t64 | noble | 3.8.3-1.1ubuntu3.4 | fixed |
| Alpine | gnutls | 3.20 | 3.8.12-r0 | fixed |
| Alpine | gnutls | 3.21 | 3.8.12-r0 | fixed |
| Alpine | gnutls | 3.22 | 3.8.12-r0 | fixed |
| Alpine | gnutls | 3.23 | 3.8.11-r0 | fixed |
| Alpine | gnutls | 3.24 | 3.8.11-r0 | fixed |
| Ubuntu | gnutls28 | pro | 3.8.3-1.1ubuntu3.1+Fips1 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.8.3-1.1ubuntu3.4+Fips1 | fixed |
| Ubuntu | gnutls28 | 22.04 | 3.7.1-5ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.2-2ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.2-4ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.2-5ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.2 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.3 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.4 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.5 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.6 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.7 | fixed |
| Ubuntu | gnutls28 | 24.04 | 3.8.1-4ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 24.04 | 3.8.1-4ubuntu6 | vulnerable |
| Ubuntu | gnutls28 | 24.04 | 3.8.1-4ubuntu7 | vulnerable |
| Ubuntu | gnutls28 | 24.04 | 3.8.3-1ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 24.04 | 3.8.3-1.1ubuntu2 | vulnerable |
| Ubuntu | gnutls28 | 24.04 | 3.8.3-1.1ubuntu3 | vulnerable |
| Ubuntu | gnutls28 | 24.04 | 3.8.3-1.1ubuntu3.1 | vulnerable |
| Ubuntu | gnutls28 | 24.04 | 3.8.3-1.1ubuntu3.2 | vulnerable |
| Ubuntu | gnutls28 | 24.04 | 3.8.3-1.1ubuntu3.3 | vulnerable |
| Ubuntu | gnutls28 | 24.04 | 3.8.3-1.1ubuntu3.4 | fixed |
| Ubuntu | gnutls28 | 25.10 | 3.8.9-2ubuntu3 | vulnerable |
| Ubuntu | gnutls28 | 25.10 | 3.8.9-3ubuntu1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | gnutls28 | source | sid | 3.8.9-3 | not yet assigned | Not reported | Not reported |
| Debian | gnutls28 | source | forky | 3.8.9-3 | not yet assigned | Not reported | Not reported |
| Debian | gnutls28 | source | trixie | 3.8.9-3 | not yet assigned | Not reported | Not reported |
| Debian | gnutls28 | source | bookworm | 3.7.9-2+deb12u5 | not yet assigned | Not reported | Not reported |
| Ubuntu | gnutls28 | deb | noble | 3.8.3-1.1ubuntu3.4 | Not reported | Not reported | Not reported |
| Ubuntu | gnutls-bin | deb | noble | 3.8.3-1.1ubuntu3.4 | Not reported | Not reported | Not reported |
| Ubuntu | gnutls-doc | deb | noble | 3.8.3-1.1ubuntu3.4 | Not reported | Not reported | Not reported |
| Ubuntu | libgnutls-dane0t64 | deb | noble | 3.8.3-1.1ubuntu3.4 | Not reported | Not reported | Not reported |
| Ubuntu | libgnutls-openssl27t64 | deb | noble | 3.8.3-1.1ubuntu3.4 | Not reported | Not reported | Not reported |
| Ubuntu | libgnutls28-dev | deb | noble | 3.8.3-1.1ubuntu3.4 | Not reported | Not reported | Not reported |
| Ubuntu | libgnutls30t64 | deb | noble | 3.8.3-1.1ubuntu3.4 | Not reported | Not reported | Not reported |
| Alpine | gnutls | apk | 3.20 | 3.8.12-r0 | Not reported | ALPINE-CVE-2025-6395 | Not reported |
| Alpine | gnutls | apk | 3.21 | 3.8.12-r0 | Not reported | ALPINE-CVE-2025-6395 | Not reported |
| Alpine | gnutls | apk | 3.22 | 3.8.12-r0 | Not reported | ALPINE-CVE-2025-6395 | Not reported |
| Alpine | gnutls | apk | 3.23 | 3.8.11-r0 | Not reported | ALPINE-CVE-2025-6395 | Not reported |
| Alpine | gnutls | apk | 3.24 | 3.8.11-r0 | Not reported | ALPINE-CVE-2025-6395 | Not reported |
| Ubuntu | gnutls28 | deb | pro | 3.8.3-1.1ubuntu3.4+Fips1 | Not reported | UBUNTU-CVE-2025-6395 | Not reported |
| Ubuntu | gnutls28 | deb | 22.04 | 3.7.3-4ubuntu1.7 | Not reported | UBUNTU-CVE-2025-6395 | Not reported |
| Ubuntu | gnutls28 | deb | 24.04 | 3.8.3-1.1ubuntu3.4 | Not reported | UBUNTU-CVE-2025-6395 | Not reported |
| Ubuntu | gnutls28 | deb | 25.10 | 3.8.9-3ubuntu1 | Not reported | UBUNTU-CVE-2025-6395 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [gnutls-bin]Fixed
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
- [gnutls-doc]Fixed
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· all · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· all · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· all · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· all · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
- [guile-gnutls]Fixed
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
- [libgnutls28-dev]Fixed
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
- [libgnutls30]Fixed
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
- [libgnutls-dane0]Fixed
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
- [libgnutls-openssl27]Fixed
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
- [libgnutlsxx30]Fixed
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.7.9-2+deb12u5usn · gnutls28 · debian · bookworm; usn · gnutls28 · debian · 12
[Debian 13 (Trixie)]
- [gnutls-bin]Fixed
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· amd64 · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· amd64 · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
- [gnutls-doc]Fixed
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· all · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· all · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· all · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· all · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
- [libgnutls28-dev]Fixed
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· amd64 · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· amd64 · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
- [libgnutls30t64]Fixed
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· amd64 · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· amd64 · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
- [libgnutls-dane0t64]Fixed
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· amd64 · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· amd64 · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
- [libgnutls-openssl27t64]Fixed
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· amd64 · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixieFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· amd64 · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixie-securityFixed · Fixed:
3.8.9-3usn · gnutls28 · debian · 13
Observed:
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-082556.json]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2025_17415.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2025-6395]
- [https://osv.dev/vulnerability/ALPINE-CVE-2025-6395]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2025-6395]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2025-6395]
- [https://security-tracker.debian.org/tracker/CVE-2025-6395]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-6395.json]
- [https://ubuntu.com/security/notices/USN-7635-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1526.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]