SUSE SLES16 Security Update : libmicrohttpd (SUSE-SU-2026:20029-1)

high Nessus Plugin ID 288031

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES16 / SLES_SAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:20029-1 advisory.

- 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)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected libmicrohttpd-devel and / or libmicrohttpd12 packages.

See Also

https://bugzilla.suse.com/1253177

https://bugzilla.suse.com/1253178

http://www.nessus.org/u?6e6d7895

https://www.suse.com/security/cve/CVE-2025-59777

https://www.suse.com/security/cve/CVE-2025-62689

Plugin Details

Severity: High

ID: 288031

File Name: suse_SU-2026-20029-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 1/16/2026

Updated: 1/16/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2025-62689

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: 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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libmicrohttpd12, cpe:/o:novell:suse_linux:16, p-cpe:/a:novell:suse_linux:libmicrohttpd-devel

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/12/2026

Vulnerability Publication Date: 11/10/2025

Reference Information

CVE: CVE-2025-59777, CVE-2025-62689

SuSE: SUSE-SU-2026:20029-1