CVE-2022-23459

8.1 HIGH
Published: August 19, 2022 Modified: October 28, 2025

Description

Jsonxx or Json++ is a JSON parser, writer and reader written in C++. In affected versions of jsonxx use of the Value class may lead to memory corruption via a double free or via a use after free. The value class has a default assignment operator which may be used with pointer types which may point to alterable data where the pointer itself is not updated. This issue exists on the current commit of the jsonxx project. The project itself has been archived and updates are not expected. Users are advised to find a replacement.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://securitylab.github.com/advisories/GHSL-2022-048_Jsonxx
Source: security-advisories@github.com
Broken Link
https://securitylab.github.com/advisories/GHSL-2022-048_Jsonxx
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.1 / 10.0
EPSS (Exploit Probability)
0.3%
54th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

hjiang