Red Hat alert RHSA-2025:4597-01 (mod_auth_openidc:2.3)

An update for the mod_auth_openidc:2.3 module is now available for Red Hat
Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of
Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

The mod_auth_openidc is an OpenID Connect authentication module for Apache
HTTP Server. It enables an Apache HTTP Server to operate as an OpenID Connect
Relying Party and/or OAuth 2.0 Resource Server. 

Security Fix(es):

* mod_auth_openidc: DoS via Empty POST in mod_auth_openidc with
OIDCPreservePost Enabled (CVE-2025-3891)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

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Original: https://access.redhat.com/security/data/csaf/v2/advisories/2025/rhsa-2025_4597.json