[SECURITY] [DSA 5917-1] libapache2-mod-auth-openidc security update
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Debian Security Advisory DSA-5917-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
May 08, 2025 https://www.debian.org/security/faq
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Package : libapache2-mod-auth-openidc
CVE ID : CVE-2025-3891
A vulnerability has been discovered in mod_auth_openidc, an OpenID
Certified authentication and authorization module for the Apache HTTP
server that implements the OpenID Connect Relying Party functionality:
An unauthenticated attacker could crash the Apache httpd process by
sending a POST request without a Content-Type header if the
'OIDCPreservePost' directive is enabled, resulting in denial of
service.
For the stable distribution (bookworm), this problem has been fixed in
version 2.4.12.3-2+deb12u4.
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/
Mailing list: debian-security-announce@lists.debian.org
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