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TI-2025-07988 Aliases CVE-2025-8732GHSA-vr42-4x2q-392x

libxml2 xmlcatalog xmlParseSGMLCatalog recursion

Priority LOW 22CWE-404Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

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."

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00238 14th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—libxml22.14.0; 2.14.1; 2.14.2; 2.14.3; 2.14.4; 2.14.5—No fix listedCNA
  • libxml2 Vendor— Affected 2.14.0; 2.14.1; 2.14.2; 2.14.3; 2.14.4; 2.14.5 Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*before 2.15.2Vulnerablexmlsoft
cpe:2.3:o:siemens:ruggedcom_rst2428p_firmware:*:*:*:*:*:*:*:*before 4.0VulnerableSiemens
cpe:2.3:h:siemens:ruggedcom_rst2428p:-:*:*:*:*:*:*:*not specified by NVDRunning onSiemens
cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*4.1.0 to before 4.1.1.30VulnerableIBM
cpe:2.3:a:ibm:vios:4.1.2.0:*:*:*:*:*:*:*4.1.2.0VulnerableIBM
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*7.2.5 to before 7.2.5.12; 7.3.2 to before 7.3.3.3VulnerableIBM
cpe:2.3:o:ibm:aix:7.3.4:*:*:*:*:*:*:*7.3.4VulnerableIBM
  • cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* Versions before 2.15.2 Vulnerable ·xmlsoft
  • cpe:2.3:o:siemens:ruggedcom_rst2428p_firmware:*:*:*:*:*:*:*:* Versions before 4.0 Vulnerable ·Siemens
  • cpe:2.3:h:siemens:ruggedcom_rst2428p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
  • cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:* Versions 4.1.0 to before 4.1.1.30 Vulnerable ·IBM
  • cpe:2.3:a:ibm:vios:4.1.2.0:*:*:*:*:*:*:* Versions 4.1.2.0 Vulnerable ·IBM
  • cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* Versions 7.2.5 to before 7.2.5.12; 7.3.2 to before 7.3.3.3 Vulnerable ·IBM
  • cpe:2.3:o:ibm:aix:7.3.4:*:*:*:*:*:*:* Versions 7.3.4 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Not affected: 7 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat JBoss Core Services
  • Red Hat OpenShift Container Platform 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-8732
  2. 2026-10-03 Alias added: GHSA-vr42-4x2q-392x

References

Sources