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 an empty POST request when the OIDCPreservePost directive is enabled. The server crashes consistently, affecting availability.
CVSS

No CVSS.

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:http_server:-:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

History

28 Jul 2025, 14:15

Type Values Removed Values Added
References
  • () https://github.com/OpenIDC/mod_auth_openidc/commit/6a0b5f66c87184dfe0e4400f6bdd46a82dc0ec2b -
  • () https://github.com/OpenIDC/mod_auth_openidc/security/advisories/GHSA-x7cf-8wgv-5j86 -

01 Jul 2025, 02:15

Type Values Removed Values Added
References
  • () https://access.redhat.com/errata/RHSA-2025:10007 -
  • () https://access.redhat.com/errata/RHSA-2025:10002 -
  • () https://access.redhat.com/errata/RHSA-2025:10004 -
  • () https://access.redhat.com/errata/RHSA-2025:10008 -
  • () https://access.redhat.com/errata/RHSA-2025:10010 -
  • () https://access.redhat.com/errata/RHSA-2025:10006 -
  • () https://access.redhat.com/errata/RHSA-2025:10003 -

23 Jun 2025, 19:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : 7.5
v2 : unknown
v3 : unknown
References
  • () https://access.redhat.com/errata/RHSA-2025:9396 -

12 May 2025, 19:36

Type Values Removed Values Added
First Time Redhat enterprise Linux
Apache http Server
Apache
Redhat
Debian debian Linux
Debian
References () https://lists.debian.org/debian-lts-announce/2025/05/msg00007.html - () https://lists.debian.org/debian-lts-announce/2025/05/msg00007.html - Mailing List, Third Party Advisory
References () https://access.redhat.com/errata/RHSA-2025:4597 - () https://access.redhat.com/errata/RHSA-2025:4597 - Third Party Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=2361633 - () https://bugzilla.redhat.com/show_bug.cgi?id=2361633 - Issue Tracking
References () https://access.redhat.com/security/cve/CVE-2025-3891 - () https://access.redhat.com/security/cve/CVE-2025-3891 - Third Party Advisory
CWE NVD-CWE-noinfo
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.5
CPE cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

08 May 2025, 11:15

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/05/msg00007.html -

07 May 2025, 03:15

Type Values Removed Values Added
CWE CWE-248
References
  • () https://access.redhat.com/errata/RHSA-2025:4597 -
CVSS v2 : unknown
v3 : 5.3
v2 : unknown
v3 : unknown

29 Apr 2025, 12:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-04-29 12:15

Updated : 2025-07-28 14:15


NVD link : CVE-2025-3891

Mitre link : CVE-2025-3891


JSON object : View

Products Affected

apache

  • http_server

redhat

  • enterprise_linux

debian

  • debian_linux