DEBIAN-CVE-2026-73637

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Source
https://security-tracker.debian.org/tracker/CVE-2026-73637
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-73637.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2026-73637
Upstream
  • CVE-2026-73637
Published
2026-10-01T17:17:31Z
Modified
2026-10-02T05:00:11Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Summary
[none]
Details

Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when AuthDigestNcCheck is enabled or AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.

References

Affected packages

Debian:12 / apache2

Package

Name
apache2
Purl
pkg:deb/debian/apache2?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.4.57-2
2.4.57-3
2.4.58-1
2.4.59-1~deb10u1
2.4.59-1~deb11u1
2.4.59-1~deb12u1
2.4.59-1
2.4.59-2
2.4.60-1
2.4.61-1~deb11u1
2.4.61-1~deb12u1
2.4.61-1
2.4.62-1~deb11u1
2.4.62-1~deb11u2
2.4.62-1~deb12u1
2.4.62-1~deb12u2
2.4.62-1
2.4.62-2
2.4.62-3
2.4.62-4
2.4.62-5
2.4.62-6
2.4.63-1
2.4.64-1
2.4.65-1~deb11u1
2.4.65-1~deb12u1
2.4.65-1
2.4.65-2
2.4.65-3
2.4.66-1~deb11u1
2.4.66-1~deb12u1
2.4.66-1~deb12u2
2.4.66-1~deb13u1
2.4.66-1~deb13u2
2.4.66-1
2.4.66-2
2.4.66-3
2.4.66-4
2.4.66-5
2.4.66-6
2.4.66-7
2.4.66-8
2.4.67-1~deb11u1
2.4.67-1~deb11u2
2.4.67-1~deb11u3
2.4.67-1~deb12u1
2.4.67-1~deb12u2
2.4.67-1~deb12u3
2.4.67-1~deb13u1
2.4.67-1~deb13u2
2.4.67-1~deb13u3
2.4.67-1
2.4.67-2
2.4.68-1~deb12u1
2.4.68-1~deb13u1
2.4.68-1
2.4.68-2
2.4.69-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-73637.json"

Debian:13 / apache2

Package

Name
apache2
Purl
pkg:deb/debian/apache2?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.4.65-2
2.4.65-3
2.4.66-1~deb11u1
2.4.66-1~deb12u1
2.4.66-1~deb12u2
2.4.66-1~deb13u1
2.4.66-1~deb13u2
2.4.66-1
2.4.66-2
2.4.66-3
2.4.66-4
2.4.66-5
2.4.66-6
2.4.66-7
2.4.66-8
2.4.67-1~deb11u1
2.4.67-1~deb11u2
2.4.67-1~deb11u3
2.4.67-1~deb12u1
2.4.67-1~deb12u2
2.4.67-1~deb12u3
2.4.67-1~deb13u1
2.4.67-1~deb13u2
2.4.67-1~deb13u3
2.4.67-1
2.4.67-2
2.4.68-1~deb12u1
2.4.68-1~deb13u1
2.4.68-1
2.4.68-2
2.4.69-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-73637.json"

Debian:14 / apache2

Package

Name
apache2
Purl
pkg:deb/debian/apache2?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.4.65-2
2.4.65-3
2.4.66-1~deb11u1
2.4.66-1~deb12u1
2.4.66-1~deb12u2
2.4.66-1~deb13u1
2.4.66-1~deb13u2
2.4.66-1
2.4.66-2
2.4.66-3
2.4.66-4
2.4.66-5
2.4.66-6
2.4.66-7
2.4.66-8
2.4.67-1~deb11u1
2.4.67-1~deb11u2
2.4.67-1~deb11u3
2.4.67-1~deb12u1
2.4.67-1~deb12u2
2.4.67-1~deb12u3
2.4.67-1~deb13u1
2.4.67-1~deb13u2
2.4.67-1~deb13u3
2.4.67-1
2.4.67-2
2.4.68-1~deb12u1
2.4.68-1~deb13u1
2.4.68-1
2.4.68-2
2.4.69-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-73637.json"