CVE-2025-49795
7.5 HIGHA NULL pointer dereference vulnerability was found in libxml2 when processing XPath XML expressions
Published: 2025-06-16 · Last updated: 2026-06-02
Severity and scoring
- CVSS
- 7.5 HIGH
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CWE
- CWE-825
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2025-49795
- [Other]https://access.redhat.com/errata/RHSA-2025:10630
- [Other]https://access.redhat.com/errata/RHSA-2025:19020
- [Other]https://access.redhat.com/errata/RHSA-2026:7519
- [Other]https://access.redhat.com/security/cve/CVE-2025-49795
- [Other]https://bugzilla.redhat.com/show_bug.cgi?id=2372379
- [Other]https://gitlab.gnome.org/GNOME/libxml2/-/issues/932
- [Other]https://cert-portal.siemens.com/productcert/html/ssa-253495.html
Related CVEs
Same CWE
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- CVE-2026-34001 — A flaw was found in the X.Org X server (7.8 HIGH)
- CVE-2025-61664 — A vulnerability in the GRUB2 bootloader has been identified in the normal module (4.9 MEDIUM)
- CVE-2025-54771 — A use-after-free vulnerability has been identified in the GNU GRUB (Grand Unified Bootloader) (4.9 MEDIUM)
- CVE-2025-54770 — A vulnerability has been identified in the GRUB2 bootloader's network module that poses an immediate Denial of Service (DoS) risk (4.9 MEDIUM)