DEBIAN-CVE-2021-44224

Source
https://security-tracker.debian.org/tracker/CVE-2021-44224
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-44224.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-44224
Upstream
Published
2021-12-20T12:15:07Z
Modified
2025-09-30T05:15:25.362809Z
Severity
  • 8.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H CVSS Calculator
Summary
[none]
Details

A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included).

References

Affected packages

Debian:11 / apache2

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.52-1~deb11u2

Affected versions

2.*

2.4.48-3.1
2.4.48-3.1+deb11u1
2.4.48-4
2.4.49-1~bpo10+1
2.4.49-1~deb11u1
2.4.49-1~deb11u2
2.4.49-1~deb11u3
2.4.49-1
2.4.49-2
2.4.49-3
2.4.49-4
2.4.50-1~deb11u1
2.4.50-1
2.4.51-1~bpo10+1
2.4.51-1~bpo10+2
2.4.51-1~deb11u1
2.4.51-1
2.4.51-2
2.4.52-1~bpo10+1
2.4.52-1~deb11u1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / apache2

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.52-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / apache2

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.52-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:14 / apache2

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.52-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}