UBUNTU-CVE-2021-36160

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2021-36160
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-36160.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-36160
Upstream
Downstream
Related
Published
2021-09-16T15:15:00Z
Modified
2025-09-08T16:47:15Z
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
  • Ubuntu - medium
Summary
[none]
Details

A carefully crafted request uri-path can cause modproxyuwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive).

References

Affected packages

Ubuntu:20.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.5?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.5

Affected versions

2.*

2.4.41-1ubuntu1
2.4.41-4ubuntu1
2.4.41-4ubuntu2
2.4.41-4ubuntu3
2.4.41-4ubuntu3.1
2.4.41-4ubuntu3.3
2.4.41-4ubuntu3.4

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.41-4ubuntu3.5",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.5",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.5",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.5",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.5",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.5",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.5",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.5",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.5",
            "binary_name": "libapache2-mod-md"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.5",
            "binary_name": "libapache2-mod-proxy-uwsgi"
        }
    ]
}