VDB
DEBIAN-CVE-2025-3891
DEBIAN-CVE-2025-3891
PUBLISHED
CVSS 7.5 HIGH
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.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | libapache2-mod-auth-openidc | 0, 0 |
| Debian:11 | libapache2-mod-auth-openidc | 2.4.9.4-0, 2.4.9-1, 2.4.9.4-0+deb11u1 |
| Debian:12 | libapache2-mod-auth-openidc | 2.4.12.3-2, 2.4.12.3-2, 2.4.12.3-2 |
| Debian:14 | libapache2-mod-auth-openidc | 0, 0 |
Timeline
- Apr 29, 2025 CVE Published
- Apr 28, 2026 CVE Updated