CVE-2025-52891

mod_security: ModSecurity segmentation fault

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Severity

Moderate

Red Hat Product Security

4.3

CVSS 3.1

Review impact separately from score.

Published · July 3, 2025

Updated · September 23, 2026

Description

An XML parsing flaw has been discovered in Apache ModSecurity. In specific versions an empty XML tag may lead to a segmentation fault and process crash as a result. To exploit this flaw the SecParseXmlIntoArgs value must be set to On or OnlyArgs.

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 · 4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CWE-20 · Improper Input Validation