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CVE-2025-3891

nvd nist
Published: Apr 29, 2025Modified: Jun 29, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD (Secondary)

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.

Affected (5)

Apache
1 product
Http Server
Redhat
1 product
Enterprise Linux
Debian
1 product
Debian Linux
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Http Server
All versions
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Redhat
Enterprise Linux
Version 7.0
Enterprise Linux
Version 8.0
Enterprise Linux
Version 9.0
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 11.0

Related CWEs

CWE-248
Uncaught Exception
An exception is thrown from a function, but it is not caught.

References (14)

Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Source: secalert@redhat.com
Third Party Advisory
Source: secalert@redhat.com
Issue Tracking
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory

Timeline

No history available yet.