Security update for gnutls

Announcement ID:	SUSE-SU-2025:02589-1
Release Date:	2025-08-01T13:06:32Z
Rating:	important
References:	bsc#1246232 bsc#1246233 bsc#1246267 bsc#1246299
Cross-References:	CVE-2025-32988 CVE-2025-32989 CVE-2025-32990 CVE-2025-6395
CVSS scores:	CVE-2025-32988 ( SUSE ): 9.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2025-32988 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2025-32988 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H CVE-2025-32989 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2025-32989 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H CVE-2025-32989 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVE-2025-32990 ( SUSE ): 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N CVE-2025-32990 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L CVE-2025-32990 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L CVE-2025-6395 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2025-6395 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2025-6395 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Affected Products:	openSUSE Leap 15.4 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Micro for Rancher 5.4 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP4 LTSS SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server 15 SP5 LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP5 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3

An update that solves four vulnerabilities can now be installed.

Description:

This update for gnutls fixes the following issues:

• CVE-2025-6395: Fix NULL pointer dereference when 2nd Client Hello omits PSK (bsc#1246299)
• CVE-2025-32988: Fix double-free due to incorrect ownership handling in the export logic of SAN entries containing an otherName (bsc#1246232)
• CVE-2025-32989: Fix heap buffer overread when handling the CT SCT extension during X.509 certificate parsing (bsc#1246233)
• CVE-2025-32990: Fix 1-byte heap buffer overflow when parsing templates with certtool (bsc#1246267)

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:

• openSUSE Leap 15.4
  zypper in -t patch SUSE-2025-2589=1
• SUSE Linux Enterprise Micro for Rancher 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2025-2589=1
• SUSE Linux Enterprise Micro 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2025-2589=1
• SUSE Linux Enterprise Micro 5.5
  zypper in -t patch SUSE-SLE-Micro-5.5-2025-2589=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-2589=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-2589=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-2589=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2025-2589=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2025-2589=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-2589=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2025-2589=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2025-2589=1
• SUSE Manager Proxy 4.3
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.3-2025-2589=1
• SUSE Manager Retail Branch Server 4.3
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.3-2025-2589=1
• SUSE Manager Server 4.3
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.3-2025-2589=1

Package List:

• openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • gnutls-guile-debuginfo-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • gnutls-guile-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• openSUSE Leap 15.4 (x86_64)
  • libgnutls-devel-32bit-3.7.3-150400.4.50.1
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1
• openSUSE Leap 15.4 (aarch64_ilp32)
  • libgnutls30-64bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls-devel-64bit-3.7.3-150400.4.50.1
  • libgnutls30-hmac-64bit-3.7.3-150400.4.50.1
  • libgnutls30-64bit-3.7.3-150400.4.50.1
• SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
• SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
• SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • gnutls-guile-debuginfo-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • gnutls-guile-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • gnutls-guile-debuginfo-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • gnutls-guile-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • gnutls-guile-debuginfo-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • gnutls-guile-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • gnutls-guile-debuginfo-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • gnutls-guile-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1
• SUSE Manager Proxy 4.3 (x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• SUSE Manager Retail Branch Server 4.3 (x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• SUSE Manager Server 4.3 (ppc64le s390x x86_64)
  • gnutls-debugsource-3.7.3-150400.4.50.1
  • libgnutls30-hmac-3.7.3-150400.4.50.1
  • libgnutls30-debuginfo-3.7.3-150400.4.50.1
  • libgnutls-devel-3.7.3-150400.4.50.1
  • libgnutlsxx-devel-3.7.3-150400.4.50.1
  • libgnutlsxx28-3.7.3-150400.4.50.1
  • gnutls-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-3.7.3-150400.4.50.1
  • gnutls-3.7.3-150400.4.50.1
  • libgnutlsxx28-debuginfo-3.7.3-150400.4.50.1
• SUSE Manager Server 4.3 (x86_64)
  • libgnutls30-32bit-debuginfo-3.7.3-150400.4.50.1
  • libgnutls30-hmac-32bit-3.7.3-150400.4.50.1
  • libgnutls30-32bit-3.7.3-150400.4.50.1

References:

• https://www.suse.com/security/cve/CVE-2025-32988.html
• https://www.suse.com/security/cve/CVE-2025-32989.html
• https://www.suse.com/security/cve/CVE-2025-32990.html
• https://www.suse.com/security/cve/CVE-2025-6395.html
• https://bugzilla.suse.com/show_bug.cgi?id=1246232
• https://bugzilla.suse.com/show_bug.cgi?id=1246233
• https://bugzilla.suse.com/show_bug.cgi?id=1246267
• https://bugzilla.suse.com/show_bug.cgi?id=1246299