CVE-2025-49795

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

CVE-2025-49795 is fixed in 10 products on 1 platform, first by RHSA-2025:10630, released June 12, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

9.1

Moderate

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0059

48th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
libxml2 · RHEL 10	2.12.5-7.el10_0	RHSA-2025:10630	Jun 12, 2025
libxml2 · almalinux 10	2.12.5-7.el10_0	ALSA-2025:10630	Jul 8, 2025
libxml2 · amzn 2023	2.10.4-1.amzn2023.0.12	ALAS2023-2025-1103	Jul 21, 2025
libxml2 · ol 10	0:2.12.5-7.el10_0	ELSA-2025-10630	Jul 8, 2025
libxml2 · opensuse-leap 15.6	2.10.3-150500.5.29.1	SUSE-SU-2025:02314-1	Jul 15, 2025
libxml2 · rocky 10	0:2.12.5-7.el10_0	RLSA-2025:10630	Oct 3, 2025
libxml2 · sles 15.6	2.10.3-150500.5.29.1	SUSE-SU-2025:02314-1	Jul 15, 2025
libxml2 · sles 15.7	2.12.10-150700.4.3.1	SUSE-SU-2025:02260-1	Jul 9, 2025
libxml2-16 · Ubuntu 25.10 (questing)	2.14.5+dfsg-0.2	libxml2-16 2.14.5+dfsg-0.2	Jun 16, 2025
libxml2-debuginfo · amzn 2023	2.10.4-1.amzn2023.0.12	ALAS2023-2025-1103	Jul 21, 2025
libxml2-debugsource · amzn 2023	2.10.4-1.amzn2023.0.12	ALAS2023-2025-1103	Jul 21, 2025
libxml2-devel · almalinux 10	2.12.5-7.el10_0	ALSA-2025:10630	Jul 8, 2025
libxml2-devel · amzn 2023	2.10.4-1.amzn2023.0.12	ALAS2023-2025-1103	Jul 21, 2025
libxml2-devel · ol 10	0:2.12.5-7.el10_0	ELSA-2025-10630	Jul 8, 2025
libxml2-python · opensuse-leap 15.6	2.10.3-150500.5.29.1	SUSE-SU-2025:02314-1	Jul 15, 2025
libxml2-python · sles 15.6	2.10.3-150500.5.29.1	SUSE-SU-2025:02314-1	Jul 15, 2025
libxml2-python · sles 15.7	2.12.10-150700.4.3.1	SUSE-SU-2025:02260-1	Jul 9, 2025
libxml2-static · almalinux 10	2.12.5-7.el10_0	ALSA-2025:10630	Jul 8, 2025
libxml2-static · amzn 2023	2.10.4-1.amzn2023.0.12	ALAS2023-2025-1103	Jul 21, 2025
libxml2-static · ol 10	0:2.12.5-7.el10_0	ELSA-2025-10630	Jul 8, 2025
libxml2-utils · Ubuntu 25.10 (questing)	2.14.5+dfsg-0.2	libxml2-utils 2.14.5+dfsg-0.2	Jun 16, 2025
python3-libxml2 · Ubuntu 25.10 (questing)	2.14.5+dfsg-0.2	python3-libxml2 2.14.5+dfsg-0.2	Jun 16, 2025
python3-libxml2 · almalinux 10	2.12.5-7.el10_0	ALSA-2025:10630	Jul 8, 2025
python3-libxml2 · amzn 2023	2.10.4-1.amzn2023.0.12	ALAS2023-2025-1103	Jul 21, 2025
python3-libxml2 · ol 10	0:2.12.5-7.el10_0	ELSA-2025-10630	Jul 8, 2025
python3-libxml2-debuginfo · amzn 2023	2.10.4-1.amzn2023.0.12	ALAS2023-2025-1103	Jul 21, 2025

Details

Published
June 11, 2025
Weakness
Expired Pointer Dereference
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49795

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