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SUSE: StrongSwan Important Buffer Overflow Fix CVE-2025-62291 2025:3856-1

suse
Calendar Grey October 29, 2025
Dist Suse Esm H88
An important update for strongswan addressing a critical buffer overflow issue. Patching instructions provided.
* bsc#1251941 Cross-References: * CVE-2025-62291

Summary

## This update for strongswan fixes the following issues: * CVE-2025-62291: fixed a buffer overflow when handling EAP-MSCHAPv2 failure requests (bsc#1251941) ## 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-2025-3856=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-3856=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-3856=1 * SUSE Linux Enterprise Server 15 SP4 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2025-3856=1

Topics%20covered

Topics Covered

security advisory security update buffer overflow SuSE important strongSwan

References

* bsc#1251941

Cross-

* CVE-2025-62291

CVSS scores:

* CVE-2025-62291 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.4

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

* SUSE Linux Enterprise Server 15 SP4

* SUSE Linux Enterprise Server 15 SP4 LTSS

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

* SUSE Manager Proxy 4.3

* SUSE Manager Proxy 4.3 LTS

* SUSE Manager Retail Branch Server 4.3

* SUSE Manager Retail Branch Server 4.3 LTS

* SUSE Manager Server 4.3

* SUSE Manager Server 4.3 LTS

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2025-62291.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:3856-1
Release Date: 2025-10-29T14:16:32Z
Rating: important

Topics%20covered

Topics Covered

security advisory security update buffer overflow SuSE important strongSwan

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