CVE-2025-49794CRITICAL 9.1EPSS p47.1%

CVE-2025-49794CVE-2025-49794

Description

A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the <sch:name path="..."/> schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's crash using libxml or other possible undefined behaviors.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS0.67% probability of exploitation · percentile 47.1% · 2026-06-19T12:03:05Z
Published2025-06-16
Last modified2026-06-02

Underlying weaknesses· 1

CWE-825

References

  1. https://access.redhat.com/errata/RHSA-2025:10630
  2. https://access.redhat.com/errata/RHSA-2025:10698
  3. https://access.redhat.com/errata/RHSA-2025:10699
  4. https://access.redhat.com/errata/RHSA-2025:11580
  5. https://access.redhat.com/errata/RHSA-2025:12098
  6. https://access.redhat.com/errata/RHSA-2025:12099
  7. https://access.redhat.com/errata/RHSA-2025:12199
  8. https://access.redhat.com/errata/RHSA-2025:12237

1

TypeTargetConfidenceTier
WeaknessExpired Pointer Dereferencecwe-8250%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.