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Fedora 2026-0450-1 update Serious Memory Leak Vulnerability CVE-2026-25511

suse
Calendar Grey February 11, 2026
Dist Suse Esm H88
Critical security update for munge addresses buffer overflow and prevents local privilege escalation on SUSE systems.
An update that solves one vulnerability and has one security fix can now be installed.

Summary

## This update for munge fixes the following issues: * CVE-2026-25506: buffer overflow in message unpacking (bsc#1257651). * Make logrotate work on munge log as user munge. This prevents a local privilege escalation (bsc#1246088). ## 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-2026-450=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-450=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-450=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

Topics%20covered

Topics Covered

security advisory buffer overflow local privilege escalation important OpenSUSE munge

References

* bsc#1246088

* bsc#1257651

Cross-

* CVE-2026-25506

CVSS scores:

* CVE-2026-25506 ( SUSE ): 7.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L

* CVE-2026-25506 ( NVD ): 7.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L

Affected Products:

* openSUSE Leap 15.4

* 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 SP4

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

An update that solves one vulnerability and has one security fix can now be

installed.

##

* https://www.suse.com/security/cve/CVE-2026-25506.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0450-1
Release Date: 2026-02-11T15:46:24Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow local privilege escalation important OpenSUSE munge

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