VDB
DEBIAN-CVE-2025-49794
DEBIAN-CVE-2025-49794
PUBLISHED
CVSS 9.100000381469727 CRITICAL
Record from OSV · Published June 16, 2025
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| libxml2 | Debian:12 | 2.9.14+dfsg-1.3~deb12u3 |
| libxml2 | Debian:14 | 2.12.7+dfsg+really2.9.14-2 |
| libxml2 | Debian:13 | 2.12.7+dfsg+really2.9.14-2 |
Risk scores
CVSS 3.1
9.100000381469727
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | libxml2 | 0, 2.9.14+dfsg-1.2, 2.9.14+dfsg-1.3~deb12u1 |
| Debian:14 | libxml2 | 0 |
| Debian:13 | libxml2 | 0 |
Timeline
- Jun 16, 2025 CVE Published
- Oct 30, 2026 CVE Updated
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