UBUNTU-CVE-2021-31684

Advisory lineage Upstream: 1 Downstream: 1
Upstream
CVE-2021-31684
Downstream
USN-6011-1
Published: 01 Jun 2021, 20:15
Last modified:04 Feb 2026, 04:01

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

01 Jun 2021, 20:15
Published
Vulnerability first disclosed
04 Feb 2026, 04:01
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntu•json-smart

    < 2.2-2ubuntu0.18.04.1 | < 2.2-2ubuntu0.20.04.1 | < 2.2-2ubuntu0.22.04.1

References (7)