What is CVE-2022-45491?

CVE-2022-45491 is a high-severity vulnerability in Json.h Project, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-02-03.

How severe is CVE-2022-45491?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Json.h Project

CVE-2022-45491

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

Vulnerability class: Buffer Overflow

EPSS: 0.003 (17.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Json.h_project Json.h
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write
CWE-122 — Heap-based Buffer Overflow

References

cve@mitre.org (Third Party Advisory)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2022-45491?: CVE-2022-45491 is a high-severity vulnerability in Json.h Project, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-02-03.
How severe is CVE-2022-45491?: High severity. CVSS v3 base score is 7.8 out of 10.