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SUSE SLED15 / SLES15 Security Update : expat (SUSE-SU-2025:03239-1)

high Nessus Plugin ID 265319

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2025:03239-1 advisory.

 expat was updated to version 2.7.1:

 - Bug fixes:

 - Restore event pointer behavior from Expat 2.6.4 (that the fix to CVE-2024-8176 changed in 2.7.0);
 affected API functions are:

 - XML_GetCurrentByteCount
 - XML_GetCurrentByteIndex
 - XML_GetCurrentColumnNumber
 - XML_GetCurrentLineNumber
 - XML_GetInputContext
 - Other changes:

 - Fix printf format specifiers for 32bit Emscripten
 - docs: Promote OpenSSF Best Practices self-certification
 - tests/benchmark: Resolve mistaken double close
 - Address compiler warnings
 - Version info bumped from 11:1:10 (libexpat*.so.1.10.1) to 11:2:10 (libexpat*.so.1.10.2); see https://verbump.de/ for what these numbers do

 Version update to 2.7.0 (CVE-2024-8176, bsc#1239618, jsc#PED-12507)

 * Security fixes:

 - CVE-2024-8176 -- Fix crash from chaining a large number of entities caused by stack overflow by resolving use of recursion, for all three uses of entities: - general entities in character data ('<e>&g1;</e>') - general entities in attribute values ('<e k1='&g1;'/>') - parameter entities ('%p1;')

 Known impact is (reliable and easy) denial of service:
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:H/RL:O/RC:C (Base Score: 7.5, Temporal Score: 7.2) Please note that a layer of compression around XML can significantly reduce the minimum attack payload size.


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

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

Solution

Update the affected expat, libexpat-devel, libexpat1 and / or libexpat1-32bit packages.

See Also

https://bugzilla.suse.com/1239618

http://www.nessus.org/u?8ed28967

https://www.suse.com/security/cve/CVE-2024-8176

Plugin Details

Severity: High

ID: 265319

File Name: suse_SU-2025-03239-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 9/17/2025

Updated: 9/17/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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-2024-8176

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libexpat1, p-cpe:/a:novell:suse_linux:libexpat1-32bit, p-cpe:/a:novell:suse_linux:expat, p-cpe:/a:novell:suse_linux:libexpat-devel, cpe:/o:novell:suse_linux:15

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: 9/16/2025

Vulnerability Publication Date: 12/12/2023

Reference Information

CVE: CVE-2024-8176

IAVA: 2025-A-0186

SuSE: SUSE-SU-2025:03239-1