CVE-2022-45493: Json.h Project Json.h

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Buffer overflow vulnerability in function json_parse_key in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code arbitrary code and gain escalated privileges.

Affected products

• Json.h Project Json.h: before 2022-11-14 (fixed in 2022-11-14)

Published 2023-02-03. Last modified 2026-06-17.