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SUSE: 2025:01962-1 important: apache2-mod_auth_openidc DoS Fix

suse
Calendar Grey June 16, 2025
Dist Suse Esm H88
A recent security patch for apache2-mod_auth_openidc resolves a significant denial of service vulnerability. Urgent updates are strongly recommended.
* bsc#1242015 Cross-References: * CVE-2025-3891

Summary

## 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: * SUSE Linux Enterprise Server 15 SP5 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-1962=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP3 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2025-1962=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2025-1962=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory denial of service vulnerability important suse apache2-mod_auth_openidc

References

* bsc#1242015

Cross-

* CVE-2025-3891

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:

* SUSE Enterprise Storage 7.1

* SUSE Linux Enterprise High Performance Computing 15 SP3

* 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 SP3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:01962-1
Release Date: 2025-06-16T10:04:25Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service vulnerability important suse apache2-mod_auth_openidc

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