CVE-2023-45322

6.5 MEDIUM
Published: October 06, 2023 Modified: November 03, 2025

Description

libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails. This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is "I don't think these issues are critical enough to warrant a CVE ID ... because an attacker typically can't control when memory allocations fail."

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/10/06/5
Source: cve@mitre.org
Mailing List Patch Third Party Advisory
https://gitlab.gnome.org/GNOME/libxml2/-/issues/344
Source: cve@mitre.org
Issue Tracking Patch Vendor Advisory
https://gitlab.gnome.org/GNOME/libxml2/-/issues/583
Source: cve@mitre.org
Issue Tracking Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2023/10/06/5
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
https://gitlab.gnome.org/GNOME/libxml2/-/issues/344
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Vendor Advisory
https://gitlab.gnome.org/GNOME/libxml2/-/issues/583
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Vendor Advisory

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.5 / 10.0
EPSS (Exploit Probability)
0.1%
23th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

xmlsoft