A flaw was found in the modauthopenidc 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.
[
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{
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"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-3891.json"