CVE-2025-49795
CVE-2025-49795 · Libxml: null pointer dereference leads to denial of service (dos)
This page contains facts from public vulnerability sources. Check the original advisory before updating.
A NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions. This flaw allows an attacker to craft a malicious XML input to libxml2, leading to a denial of service.
CVSS 7.5 · High · EPSS 0.6% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
libxml2
- Versions
- ≥ 2.10.0, < 2.14.5: Affected (semver)
Update to 2.14.5
red hat enterprise linux 10
- Versions
- ≥ 0:2.12.5-7.el10_0: Not affected (rpm)
No fix published
red hat jboss core services 2.4.62.sp2
No fix published
red hat hardened images
- Versions
- ≥ 2.15.2-0.3.hum1: Not affected (rpm)
No fix published
red hat enterprise linux 6
No fix published
red hat enterprise linux 7
No fix published
red hat enterprise linux 8
No fix published
red hat enterprise linux 9
No fix published
libxml2 Ubuntu:25.10
- Versions
- 2.12.7+dfsg+really2.9.14-0.4
- 2.12.7+dfsg+really2.9.14-0.4ubuntu0.1
- 2.12.7+dfsg+really2.9.14-1
- 2.14.3+dfsg-0exp1
- 2.14.3+dfsg-0exp2
- 2.14.3+dfsg-0exp3
- 2.14.4+dfsg-0exp1
- 2.14.5+dfsg-0exp1
- 2.14.5+dfsg-0exp2
- 2.14.5+dfsg-0.1
- Affected ranges
- ECOSYSTEM: < 2.14.5+dfsg-0.2
Update to 2.14.5+dfsg-0.2
Original sources
- https://access.redhat.com/errata/RHSA-2025:10630
- https://access.redhat.com/errata/RHSA-2025:19020
- https://access.redhat.com/errata/RHSA-2026:7519
- https://access.redhat.com/security/cve/CVE-2025-49795
- https://bugzilla.redhat.com/show_bug.cgi?id=2372379
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/932
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-49795