CVE-2023-39615

libxml2: crafted xml can cause global buffer overflow

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Severity

Moderate

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · August 29, 2023

Updated · October 30, 2026

Description

A flaw was found in Libxml2, where it contains a global buffer overflow via the xmlSAX2StartElement() function at /libxml2/SAX2.c. This vulnerability allows attackers to cause a denial of service (DoS) by supplying a crafted XML file.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer