A libapache2-mod-auth-openidc security update has been released for Debian GNU/Linux 11 to address a missing input sanitizing in the implementation of the OIDCStripCookie option, which could result in a denial of service.

DSA 5405-1: libapache2-mod-auth-openidc security update

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Debian Security Advisory DSA-5405-1 security@debian.org
  https://www.debian.org/security/ Moritz Muehlenhoff
May 18, 2023   https://www.debian.org/security/faq
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Package : libapache2-mod-auth-openidc
CVE ID : CVE-2023-28625
Debian Bug : 1033916

It was discovered that missing input sanitising in the implementation
of the OIDCStripCookie option in mod_auth_openidc could result in
denial of service.

For the stable distribution (bullseye), this problem has been fixed in
version 2.4.9.4-0+deb11u3.

We recommend that you upgrade your libapache2-mod-auth-openidc packages.

For the detailed security status of libapache2-mod-auth-openidc please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/libapache2-mod-auth-openidc

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://www.debian.org/security/