CVE-2021-36160
Publication date 16 September 2021
Last updated 25 August 2025
Ubuntu priority
Description
A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive).
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| apache2 | 22.04 LTS jammy |
Fixed 2.4.48-3.1ubuntu2
|
| 20.04 LTS focal |
Fixed 2.4.41-4ubuntu3.5
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty |
Not affected
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
7.5 · High
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
Related Ubuntu Security Notices (USN)
- USN-5090-1
- Apache HTTP Server vulnerabilities
- 27 September 2021
Other references
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2021-36160
- http://httpd.apache.org/security/vulnerabilities_24.html
- https://lists.apache.org/thread.html/ree7519d71415ecdd170ff1889cab552d71758d2ba2904a17ded21a70@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/re4162adc051c1a0a79e7a24093f3776373e8733abaff57253fef341d@%3Ccvs.httpd.apache.org%3E
- https://www.cve.org/CVERecord?id=CVE-2021-36160