Security update for gnutls

Announcement ID: SUSE-SU-2026:20984-1
Release Date: 2026-03-30T14:36:07Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2025-14831 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  • CVE-2025-14831 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2025-14831 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2025-9820 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2025-9820 ( NVD ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products:
  • SUSE Linux Enterprise Server - BCI 16.0

An update that solves two vulnerabilities, contains two features and has one fix can now be installed.

Description:

This update for gnutls fixes the following issues:

  • CVE-2025-14831: Fixed DoS via excessive resource consumption during certificate verification. (bsc#1257960)
  • CVE-2025-9820: Fixed a buffer overflow in gnutls_pkcs11_token_init. (bsc#1254132)
  • Add the functionality to allow to specify the hash algorithm for the PSK. This fixes a bug in the current implementation where the binder is always calculated with SHA256. (bsc#1258083, jsc#PED-15752, jsc#PED-15753)

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • SUSE Linux Enterprise Server - BCI 16.0
    zypper in -t patch SUSE-SLES-16.0-464=1

Package List:

  • SUSE Linux Enterprise Server - BCI 16.0 (aarch64 ppc64le s390x x86_64)
    • gnutls-debugsource-3.8.10-160000.2.1
    • libgnutls-devel-3.8.10-160000.2.1
    • libgnutls30-3.8.10-160000.2.1
    • gnutls-3.8.10-160000.2.1
    • libgnutlsxx-devel-3.8.10-160000.2.1
    • libgnutlsxx30-debuginfo-3.8.10-160000.2.1
    • libgnutls30-debuginfo-3.8.10-160000.2.1
    • gnutls-debuginfo-3.8.10-160000.2.1
    • libgnutlsxx30-3.8.10-160000.2.1

References: