CVE-2025-49794 — Expired Pointer Dereference in Libxml2
Severity
9.1CRITICALNVD
EPSS
0.4%
top 36.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 16
Latest updateAug 14
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 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HExploitability: 3.9 | Impact: 5.2
Affected Packages7 packages
🔴Vulnerability Details
5📋Vendor Advisories
4Debian▶
CVE-2025-49794: libxml2 - A use-after-free vulnerability was found in libxml2. This issue occurs when pars...↗2025
💬Community
1Bugzilla
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