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SUSE Micro 6.2: libmicrohttpd Important Buffer Overflow CVE-2025-59777

suse
Calendar Grey January 15, 2026
Dist Suse Esm H88
SUSE's security update addresses important vulnerabilities in libmicrohttpd affecting version 6.2. Install promptly to safeguard.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for libmicrohttpd fixes the following issues: * CVE-2025-62689: Fixed heap-based buffer overflow through a specially crafted packet (bsc#1253178) * CVE-2025-59777: Fixed NULL pointer dereference through a specially crafted packet (bsc#1253177) ## 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 6.2 zypper in -t patch SUSE-SL-Micro-6.2-130=1 ## Package List: * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64) * libmicrohttpd12-1.0.1-160000.3.1 * libmicrohttpd12-debuginfo-1.0.1-160000.3.1 * libmicrohttpd-debugsource-1.0.1-160000.3.1

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important 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-2026:20072-1
Release Date: 2026-01-12T11:15:37Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important null dereference libmicrohttpd

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