Skip to content
SUSE apache2-mod_auth_openidc Critical Out-Of

SUSE apache2-mod_auth_openidc Critical Out-Of

Linuxsecurity LinuxSecurity Advisories September 3, 2026

Keep your Linux systems secure and up to date with practical patching guidance. Review Linux Patching Best Practices ×

## This update for apache2-mod_auth_openidc fixes the following issue: * CVE-2026-54789: out-of-bounds read and one-byte out-of-bounds write in the state-cookie parser of `mod_auth_openidc` (bsc#1276217). ## 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-SP7 zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-3952=1 * SUSE Linux Enterprise Server 15 SP6 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3952=1 * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-3952=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP6

## This update for apache2-mod_auth_openidc fixes the following issue: * CVE-2026-54789: out-of-bounds read and one-byte out-of-bounds write in the state-cookie parser of `mod_auth_openidc` (bsc#1276217). ## 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-SP7 zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-3952=1 * SUSE Linux Enterprise Server 15 SP6 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3952=1 * openSUSE Leap 15.6 zypper in -t patch SUSE-2026-3952=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP6

* CVE-2026-54789 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-54789 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* Server Applications Module 15-SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP6

* SUSE Linux Enterprise Server 15 SP6 LTSS

* 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.

*

*

Announcement ID: SUSE-SU-2026:3952-1 Release Date: 2026-09-03T07:43:50Z Rating: important

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases