CVE-2026-32327

apr-util: Apache Portable Runtime Utility: Denial of Service via XML stack recursion attack

Loading…

Severity

Moderate

Red Hat Product Security

6.2

CVSS 3.1

Review impact separately from score.

Published · August 6, 2026

Updated · September 21, 2026

Description

A flaw was found in Apache Portable Runtime Utility (apr-util). A remote attacker could exploit a stack recursion vulnerability by providing specially crafted XML input to a library consumer that uses the apr_xml_quote_elem() function. This could lead to a denial of service (DoS) due to an application crash.

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

CVSS / CWE

CVSS 3.1 · 6.2
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-776 · Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')