CVE-2017-20005
Publication date 6 June 2021
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
NGINX before 1.13.6 has a buffer overflow for years that exceed four digits, as demonstrated by a file with a modification date in 1969 that causes an integer overflow (or a false modification date far in the future), when encountered by the autoindex module.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| nginx | 22.04 LTS jammy | 
                                Not affected 
                                
                               | 
| 20.04 LTS focal | 
                                Not affected 
                                
                               | |
| 18.04 LTS bionic | 
                                Not affected 
                                
                               | |
| 16.04 LTS xenial | 
                                Fixed 1.10.3-0ubuntu0.16.04.5+esm2 
                                
                                   | |
| 14.04 LTS trusty | 
                                Fixed 1.4.6-1ubuntu3.9+esm3 
                                
                                   | 
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Get Ubuntu Pro 30-day free trialSeverity score breakdown
| Parameter | Value | 
|---|---|
| Base score |  | 
| Attack vector | Network | 
| Attack complexity | Low | 
| Privileges required | None | 
| User interaction | None | 
| Scope | Unchanged | 
| Confidentiality | High | 
| Integrity impact | High | 
| Availability impact | High | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 
References
Related Ubuntu Security Notices (USN)
- USN-5109-1
- nginx vulnerability
- 18 October 2021
Other references
- https://github.com/nginx/nginx/commit/0206ebe76f748bb39d9de4dd4b3fce777fdfdccf
- https://github.com/nginx/nginx/commit/b900cc28fcbb4cf5a32ab62f80b59292e1c85b4b
- https://trac.nginx.org/nginx/ticket/1368
- http://nginx.org/en/CHANGES
- https://lists.debian.org/debian-lts-announce/2021/06/msg00009.html
- https://www.cve.org/CVERecord?id=CVE-2017-20005