cbcvebase.
CVE-2025-3891
published 2025-04-29

CVE-2025-3891: A flaw was found in the mod_auth_openidc module for Apache httpd. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending…

high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
A flaw was found in the mod_auth_openidc module for Apache httpd. This flaw allows a remote, unauthenticated attacker to trigger a denial of service by sending an empty POST request when the OIDCPreservePost directive is enabled. The server crashes consistently, affecting availability.

Affected

5 ranges
VendorProductVersion rangeFixed in
debiandebian_linux
debianlibapache2-mod-auth-openidc< libapache2-mod-auth-openidc 2.4.12.3-2+deb12u4 (bookworm)libapache2-mod-auth-openidc 2.4.12.3-2+deb12u4 (bookworm)
redhatenterprise_linux
redhatenterprise_linux
redhatenterprise_linux

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH