Vulnerability Report

CVE-2023-45322

Title: Xmlsoft Libxml2 Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2023-45322.

CWE Category CWE-416

Published Date Oct 06, 2023

Modified Date Nov 03, 2025

Exploit Status Not Found

Score 6.5 CVSS v3.1

Exploit Probability (EPSS)

0.83%

Vulnerability Summary

CVE-2023-45322: 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."

Impacted Vendors

xmlsoft 1

Reference Links

http://www.openwall.com/lists/oss-security/2023/10/06/5 https://gitlab.gnome.org/GNOME/libxml2/-/issues/344 https://gitlab.gnome.org/GNOME/libxml2/-/issues/583 http://www.openwall.com/lists/oss-security/2023/10/06/5 https://gitlab.gnome.org/GNOME/libxml2/-/issues/344 https://gitlab.gnome.org/GNOME/libxml2/-/issues/583 https://lists.debian.org/debian-lts-announce/2025/02/msg00028.html

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

6.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-45322 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 03, 2025 MODIFIED

Vulnerability data or affected products updated.

October 06, 2023 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.