CVE-2022-23459

HIGH

Json++ - Double Free in Value Class Assignment

Title source: llm
STIX 2.1

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 The project itself has been archived and updates are not expected.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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.1
EPSS 0.0081
EPSS Percentile 51.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-415 CWE-416
Status published
Products (2)
hjiang/json\+\+ 1.0.0
hjiang/json\+\+ 1.0.1
Published Aug 19, 2022
Tracked Since Feb 18, 2026