SUSE SLES12 Security Update : libxml2 (SUSE-SU-2026:0782-1)

medium Nessus Plugin ID 300833

Language:

Synopsis

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

Description

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0782-1 advisory.

- CVE-2026-0990: Fixed a call stack overflow leading to application crash due to infinite recursion in `xmlCatalogXMLResolveURI`. (bsc#1256807, bsc#1256811)
- CVE-2026-0992: Fixed an excessive resource consumption when processing XML catalogs due to exponential behavior. (bsc#1256809, bsc#1256812)
- CVE-2026-1757: Fixed a memory leak in the `xmllint` interactive shell. (bsc#1257594, bsc#1257595)
- CVE-2025-10911: Fixed a use-after-free with key data stored cross-RVT. (bsc#1250553)

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 packages.

Plugin Details

Severity: Medium

ID: 300833

File Name: suse_SU-2026-0782-1.nasl

Version: 1.1

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 3/5/2026

Updated: 3/5/2026

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: Medium

Base Score: 5.4

Temporal Score: 4

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

CVSS Score Source: CVE-2026-0990

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

CVSS Score Source: CVE-2025-10911

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:libxml2-doc, p-cpe:/a:novell:suse_linux:libxml2-2-32bit, p-cpe:/a:novell:suse_linux:libxml2-tools, p-cpe:/a:novell:suse_linux:libxml2-devel, p-cpe:/a:novell:suse_linux:libxml2-2, p-cpe:/a:novell:suse_linux:python-libxml2

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: 3/3/2026

Vulnerability Publication Date: 9/25/2025

Reference Information

CVE: CVE-2025-10911, CVE-2026-0990, CVE-2026-0992, CVE-2026-1757

SuSE: SUSE-SU-2026:0782-1

Detections

Analytics