SUSE update for libxml2

Published: 2025-11-14

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2025-8732 CVE-2025-9714
CWE-ID	CWE-835 CWE-674
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	SUSE Linux Enterprise Server 12 SP5 LTSS Extended Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 12 Operating systems & Components / Operating system SUSE Linux Enterprise Server 12 Operating systems & Components / Operating system libxml2-doc Operating systems & Components / Operating system package or component libxml2-tools Operating systems & Components / Operating system package or component python-libxml2-debugsource Operating systems & Components / Operating system package or component libxml2-2 Operating systems & Components / Operating system package or component libxml2-2-debuginfo-32bit Operating systems & Components / Operating system package or component python-libxml2-debuginfo Operating systems & Components / Operating system package or component python-libxml2 Operating systems & Components / Operating system package or component libxml2-devel Operating systems & Components / Operating system package or component libxml2-2-32bit Operating systems & Components / Operating system package or component libxml2-tools-debuginfo Operating systems & Components / Operating system package or component libxml2-debugsource Operating systems & Components / Operating system package or component libxml2-2-debuginfo Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Infinite loop

EUVDB-ID: #VU117630

Risk: Low

CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-8732

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop within the xmlParseSGMLCatalog() function in catalog.c when parsing untrusted SGML catalogs. A remote attacker can trick the victim into passing a specially crafted SGML catalogs to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package libxml2 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 12 SP5 LTSS Extended: Security

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

libxml2-doc: before 2.9.4-46.93.1

libxml2-tools: before 2.9.4-46.93.1

python-libxml2-debugsource: before 2.9.4-46.93.1

libxml2-2: before 2.9.4-46.93.1

libxml2-2-debuginfo-32bit: before 2.9.4-46.93.1

python-libxml2-debuginfo: before 2.9.4-46.93.1

python-libxml2: before 2.9.4-46.93.1

libxml2-devel: before 2.9.4-46.93.1

libxml2-2-32bit: before 2.9.4-46.93.1

libxml2-tools-debuginfo: before 2.9.4-46.93.1

libxml2-debugsource: before 2.9.4-46.93.1

libxml2-2-debuginfo: before 2.9.4-46.93.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2025/suse-su-20254104-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Uncontrolled Recursion

EUVDB-ID: #VU115166

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-9714

CWE-ID: CWE-674 - Uncontrolled Recursion