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CVE-2025-49795

Libxml: null pointer dereference leads to denial of service (dos)

Published: Jun 16, 2025Updated: Jun 2, 2026 Sources: CVE List NVD BDUCWE-825
7.5HIGH
NVD MITRE
EPSS Score
0.5%
Top 62.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-825

Affected Products

Red Hat JBoss Core ServicesRed Hat Inc.
On-prem
Operating Systems / linux-distro
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
libxml2Сообщество свободного программного обеспечения
LibraryLibrary
OSS Libraries / generic-library
AlmaLinuxAlmalinux OS Foundation
On-prem
Operating Systems / linux-distro
red hat inc.commercialUSOperating Systemsaka red hat
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
almalinux os foundationoss-projectOperating Systemsaka almalinux
and 7 more affected products View all →

Exploitability

Official Patch Available
Workaround Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

References

https://gitlab.gnome.org/GNOME/libxml2/-/commit/c24909ba2601848825b49a60f988222da3019667
gitlab.gnome.org
https://access.redhat.com/security/cve/CVE-2025-49795
access.redhat.com
https://errata.almalinux.org/10/ALSA-2025-10630.html
errata.almalinux.org
and 7 more references View all →

Timeline

Published
Jun 16, 2025
Last Updated
Jun 2, 2026

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