Security update for apache2-mod_auth_openidc

Announcement ID: SUSE-SU-2025:01953-1
Release Date: 2025-06-13T13:55:39Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2025-3891 ( 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-2025-3891 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-3891 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-3891 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • openSUSE Leap 15.6
  • Server Applications Module 15-SP6
  • Server Applications Module 15-SP7
  • SUSE Linux Enterprise Real Time 15 SP6
  • SUSE Linux Enterprise Real Time 15 SP7
  • SUSE Linux Enterprise Server 15 SP6
  • SUSE Linux Enterprise Server 15 SP7
  • SUSE Linux Enterprise Server for SAP Applications 15 SP6
  • SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves one vulnerability can now be installed.

Description:

This update for apache2-mod_auth_openidc fixes the following issues:

  • CVE-2025-3891: Fixed denial of service via an empty POST request when OIDCPreservePost is enabled (bsc#1242015).

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:

  • Server Applications Module 15-SP6
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP6-2025-1953=1
  • Server Applications Module 15-SP7
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2025-1953=1
  • openSUSE Leap 15.6
    zypper in -t patch SUSE-2025-1953=1 openSUSE-SLE-15.6-2025-1953=1

Package List:

  • Server Applications Module 15-SP6 (aarch64 ppc64le s390x x86_64)
    • apache2-mod_auth_openidc-2.3.8-150600.16.11.1
    • apache2-mod_auth_openidc-debugsource-2.3.8-150600.16.11.1
    • apache2-mod_auth_openidc-debuginfo-2.3.8-150600.16.11.1
  • Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • apache2-mod_auth_openidc-2.3.8-150600.16.11.1
    • apache2-mod_auth_openidc-debugsource-2.3.8-150600.16.11.1
    • apache2-mod_auth_openidc-debuginfo-2.3.8-150600.16.11.1
  • openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    • apache2-mod_auth_openidc-2.3.8-150600.16.11.1
    • apache2-mod_auth_openidc-debugsource-2.3.8-150600.16.11.1
    • apache2-mod_auth_openidc-debuginfo-2.3.8-150600.16.11.1

References: