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SUSE: 2025:01585-1 important: apache2-mod_auth_openidc DoS fix

suse
Calendar Grey May 19, 2025
Dist Suse Esm H88
Significant patch for apache2-mod_auth_openidc addresses a crucial vulnerability leading to denial of service on SUSE platforms. Discover additional details.
* bsc#1242015 Cross-References: * CVE-2025-3891

Summary

## This update for apache2-mod_auth_openidc fixes the following issues: * CVE-2025-3891: denial of service via POST requests with an empty Content- Type header and with OIDCPreservePost On (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 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2025-1585=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2025-1585=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) * apache2-mod_auth_openidc-debugsource-2.4.0-7.22.1

Topics%20covered

Topics Covered

security advisory denial of service security patch SUSE Linux important update apache2 issue

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 ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* 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 Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-3891.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:01585-1
Release Date: 2025-05-19T17:21:54Z
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service security patch SUSE Linux important update apache2 issue

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