Security update for libmicrohttpd

Announcement ID: SUSE-SU-2026:20029-1
Release Date: 2026-01-12T11:14:46Z
Rating: important
References:
Cross-References:
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
  • CVE-2025-62689 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2025-62689 ( 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-2025-62689 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise Server 16.0
  • SUSE Linux Enterprise Server for SAP Applications 16.0

An update that solves two vulnerabilities can now be installed.

Description:

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 Enterprise Server 16.0
    zypper in -t patch SUSE-SLES-16.0-130=1
  • SUSE Linux Enterprise Server for SAP Applications 16.0
    zypper in -t patch SUSE-SLES-16.0-130=1

Package List:

  • SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    • libmicrohttpd-devel-1.0.1-160000.3.1
    • libmicrohttpd12-1.0.1-160000.3.1
    • libmicrohttpd12-debuginfo-1.0.1-160000.3.1
    • libmicrohttpd-debugsource-1.0.1-160000.3.1
  • SUSE Linux Enterprise Server for SAP Applications 16.0 (ppc64le x86_64)
    • libmicrohttpd-devel-1.0.1-160000.3.1
    • libmicrohttpd12-1.0.1-160000.3.1
    • libmicrohttpd12-debuginfo-1.0.1-160000.3.1
    • libmicrohttpd-debugsource-1.0.1-160000.3.1

References: