RHSA-2023:6940 — Security Advisory
Red Hat Security Advisory: mod_auth_openidc:2.3 security and bug fix update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · November 15, 2023
Updated · November 22, 2025
Topic
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.
Description
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: Open Redirect in oidc_validate_redirect_url() using tab character (CVE-2022-23527)
-
mod_auth_openidc: NULL pointer dereference when OIDCStripCookies is set and a crafted Cookie header is supplied (CVE-2023-28625)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.9 Release Notes linked from the References section.