CVE-2025-8732: libxml2 xmlcatalog xmlParseSGMLCatalog recursion

Description

A vulnerability was found in libxml2 up to 2.14.5. It has been declared as problematic. This vulnerability affects the function xmlParseSGMLCatalog of the component xmlcatalog. The manipulation leads to uncontrolled recursion. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The code maintainer explains, that "[t]he issue can only be triggered with untrusted SGML catalogs and it makes absolutely no sense to use untrusted catalogs. I also doubt that anyone is still using SGML catalogs at all."

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack vector

Local

Complexity

Low

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

None

Availability

Low

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 12% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

LI

libxml2 ·

2.14.0; 2.14.1; 2.14.2; 2.14.3; 2.14.4; 2.14.5 · source: vendor, NVD

AI

Aix · Ibm

7.2.5 before 7.2.5.12; 7.3.2 before 7.3.3.3; 7.3.4 · source: NVD

RR

Ruggedcom Rst2428p Firmware · Siemens

before 4.0 · source: NVD

VI

Vios · Ibm

4.1.0 before 4.1.1.30; 4.1.2.0 · source: NVD

RR

RUGGEDCOM RST2428P · Siemens

before V4.0 · source: CISA