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 3.1 | 9.1 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
| EPSS | 0.67% probability of exploitation · percentile 47.1% · 2026-06-19T12:03:05Z |
| Published | 2025-06-16 |
| Last modified | 2026-06-02 |
Underlying weaknesses· 1
References
- https://access.redhat.com/errata/RHSA-2025:10630
- https://access.redhat.com/errata/RHSA-2025:10698
- https://access.redhat.com/errata/RHSA-2025:10699
- https://access.redhat.com/errata/RHSA-2025:11580
- https://access.redhat.com/errata/RHSA-2025:12098
- https://access.redhat.com/errata/RHSA-2025:12099
- https://access.redhat.com/errata/RHSA-2025:12199
- https://access.redhat.com/errata/RHSA-2025:12237
1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Expired Pointer Dereferencecwe-825 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.