Double Free in Hjiang JSON\+\+
CVE-2022-23459
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 The project itself has been archived and updates are not expected.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.
Vulnerability class: Double Free
EPSS: 0.009 (54.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Hjiang Json\+\+ — versions 1.0.0, 1.0.1
- Hjiang Jsonxx — versions unspecified
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC, Broken Link)
Frequently asked questions
- What is CVE-2022-23459?
- CVE-2022-23459 is a high-severity vulnerability in Hjiang JSON\+\+, classified under Double Free. CVSS score: 8.1/10. Published 2022-08-19.
- How severe is CVE-2022-23459?
- High severity. CVSS v3 base score is 8.1 out of 10.