CVE-2021-31684
Publication date 1 June 2021
Last updated 25 August 2025
Ubuntu priority
Description
A vulnerability was discovered in the indexOf function of JSONParserByteArray in JSON Smart versions 1.3 and 2.4 which causes a denial of service (DOS) via a crafted web request.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| json-smart | ||
| 22.04 LTS jammy |
Fixed 2.2-2ubuntu0.22.04.1
|
|
| 20.04 LTS focal |
Fixed 2.2-2ubuntu0.20.04.1
|
|
| 18.04 LTS bionic |
Fixed 2.2-2ubuntu0.18.04.1
|
|
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty | Not in release |
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-6011-1
- Json-smart vulnerabilities
- 12 April 2023