CVE-2025-49795
Libxml: null pointer dereference leads to denial of service (dos)
- State
- Published
- Severity
- 7.5 High
- Published
- Jun 16, 2025
- Updated
- Oct 12, 2026
- Reserved
- Jun 10, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | redhat |
Weaknesses
- CWE-825 Expired Pointer Dereference
Affected Products
| Product | Versions |
|---|---|
libxml2GNOME |
|
Red Hat Enterprise Linux 10Red Hat |
|
Red Hat JBoss Core Services 2.4.62.SP2Red Hat | |
Red Hat Hardened ImagesRed Hat |
|
Red Hat Enterprise Linux 6Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 9Red Hat |
References
- RHSA-2025:10630vendor-advisory
- RHSA-2025:19020vendor-advisory
- RHSA-2026:7519vendor-advisory
- https://access.redhat.com/security/cve/CVE-2025-49795vdb-entry
- RHBZ#2372379issue-tracking
- https://gitlab.gnome.org/GNOME/libxml2/-/issues/932
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html
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