The Json.H Project maintains a lightweight, header-only C JSON parsing library that, despite its narrow product scope, is embedded across a range of systems and applications. Its observed vulnerability signal centers on memory-safety issues, specifically out-of-bounds writes and heap-based buffer overflows arising from input parsing within the library's core logic. Current exploitation activity and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Json.H Project over time
Signals from CVEs in this vendor scope (5 CVEs).
5 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2022-45492HIGH Buffer overflow vulnerability in function json_parse_number in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code ar | Feb 3, 2023 | 7.8 | 25 | NO | NO |
CVE-2022-45491HIGH Buffer overflow vulnerability in function json_parse_value in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code arb | Feb 3, 2023 | 7.8 | 25 | NO | NO |
CVE-2022-45494HIGH Buffer overflow vulnerability in function json_parse_object in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code ar | Jan 31, 2023 | 7.8 | 25 | NO | NO |
CVE-2022-45493HIGH Buffer overflow vulnerability in function json_parse_key in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code arbit | Feb 3, 2023 | 7.8 | 24 | NO | NO |
CVE-2022-45496HIGH Buffer overflow vulnerability in function json_parse_string in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code ar | Feb 3, 2023 | 7.8 | 20 | NO | NO |
Signals from CVEs in this vendor scope (5 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Json.H Project.
Media articles that mention a CVE ID that affects a product developed by Json.H Project — matched by CVE ID, not by vendor name.