CVE-2022-23459 - CVE House
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Status published High CVE-2022-23459

Double free or Use after Free in Value class of Jsonxx

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 The project itself has been archived and updates are not expected.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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from hjiang

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CVE-2022-23460
Stack overflow in Jsonxx
Medium 5.9

Affected Vendor

Affected Software

Jsonxx
Vulnerable Versions:
unspecified

Timeline

Official Publish: August 19th, 2022
Last Modified: April 23rd, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-416 CWE-415

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact
T1499 Endpoint Denial of Service
Impact
T1574 Hijack Execution Flow
Privilege Escalation
T1059 Command and Scripting Interpreter
Execution