Vulnerability in GNOME Libxml2
CVE-2025-49795
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- GNOME Libxml2 — versions 2.10.0
- Red Hat Enterprise Linux 10 — versions 0:2.12.5-7.el10_0
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Hardened Images — versions 2.15.2-0.3.hum1
- Red Hat In-Vehicle Operating System 1
- Red Hat Jboss Core Services 2.4.62.sp2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2025:10630 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:19020 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:7519 (vendor-advisory)
- access.redhat.com/security/cve/CVE-2025-49795 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
- gitlab.gnome.org/GNOME/libxml2/-/issues/932
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2025-49795?
- CVE-2025-49795 is a high-severity vulnerability in GNOME Libxml2, classified under CWE-825. CVSS score: 7.5/10. Published 2025-06-16.
- How severe is CVE-2025-49795?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-49795 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.