VULNERABILITY INTELLIGENCE

CVE-2025-3891

CVSS score7.5 HIGH
EPSS probability1.60%
CISA KEVNot currently listed
Published2025-04-29
Last modified2026-06-29
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • secalert@redhat.com: CWE-248
  • nvd@nist.gov: NVD-CWE-noinfo

Primary references