High severity · published Jun 16, 2025
CVE-2025-49795
Libxml: null pointer dereference leads to denial of service (dos)
7.5
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Hardened Images · Red Hat
All versions, or not specified · source: vendor
LI
libxml2 · GNOME
2.10.0 before 2.14.5 · source: vendor
RR
RUGGEDCOM RST2428P · Siemens
before V4.0 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-49795
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-49795
access.redhat.com
https://access.redhat.com/errata/RHSA-2025:10630
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2372379
access.redhat.com
https://access.redhat.com/security/cve/CVE-2025-49795
security-tracker.debian.org
https://security-tracker.debian.org/tracker/CVE-2025-49795
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