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SUSE Linux Micro 6.1: Key Security Patch for libmicrohttpd 2026:20057-1

suse
Calendar Grey January 15, 2026
Dist Suse Esm H88
An important security update for libmicrohttpd addresses heap overflow and NULL dereference vulnerabilities in SUSE.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for libmicrohttpd fixes the following issues: * CVE-2025-59777: Fixed NULL pointer dereference (bsc#1253177). * CVE-2025-62689: Fixed heap-based buffer overflow(bsc#1253178). ## 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 Micro 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-364=1 ## Package List: * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64) * libmicrohttpd12-0.9.77-slfo.1.1_2.1 * libmicrohttpd12-debuginfo-0.9.77-slfo.1.1_2.1 * libmicrohttpd-debugsource-0.9.77-slfo.1.1_2.1

Topics%20covered

Topics Covered

security advisory important heap overflow SuSE Linux null dereference libmicrohttpd

References

* bsc#1253177

* bsc#1253178

Cross-

* CVE-2025-59777

* CVE-2025-62689

CVSS scores:

* CVE-2025-59777 ( SUSE ): 8.7

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2025-59777 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-59777 ( NVD ): 8.7

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2025-59777 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-62689 ( SUSE ): 8.7

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20057-1
Release Date: 2026-01-02T11:07:14Z
Rating: important

Topics%20covered

Topics Covered

security advisory important heap overflow SuSE Linux null dereference libmicrohttpd

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