SUSE alert SUSE-SU-2026:20029-1 (libmicrohttpd)

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SLE-SECURITY-UPDATES <null@suse.de>
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sle-security-updates@lists.suse.com
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SUSE-SU-2026:20029-1: important: Security update for libmicrohttpd
Date:
             
 
Thu, 15 Jan 2026 08:34:56 -0000
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<176846609622.28753.7500003261185096941@smelt2.prg2.suse.org>


# Security update for libmicrohttpd

Announcement ID: SUSE-SU-2026:20029-1  
Release Date: 2026-01-12T11:14:46Z  
Rating: important  
References:

  * bsc#1253177
  * bsc#1253178

  
Cross-References:

  * 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
  * 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:

  * https://www.suse.com/security/cve/CVE-2025-59777.html
  * https://www.suse.com/security/cve/CVE-2025-62689.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1253177
  * https://bugzilla.suse.com/show_bug.cgi?id=1253178



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