DEBIAN-CVE-2025-3891

Source
https://security-tracker.debian.org/tracker/CVE-2025-3891
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-3891.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2025-3891
Upstream
Downstream
Published
2025-04-29T12:15:32Z
Modified
2026-09-01T20:05:49Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:12 / libapache2-mod-auth-openidc

Package

Name
libapache2-mod-auth-openidc
Purl
pkg:deb/debian/libapache2-mod-auth-openidc?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.12.3-2+deb12u4

Affected versions

2.*
2.4.12.3-2
2.4.12.3-2+deb12u1
2.4.12.3-2+deb12u2
2.4.12.3-2+deb12u3

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-3891.json"

Debian:13 / libapache2-mod-auth-openidc

Package

Name
libapache2-mod-auth-openidc
Purl
pkg:deb/debian/libapache2-mod-auth-openidc?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.14.2-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-3891.json"

Debian:14 / libapache2-mod-auth-openidc

Package

Name
libapache2-mod-auth-openidc
Purl
pkg:deb/debian/libapache2-mod-auth-openidc?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.14.2-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-3891.json"