{"cve":"CVE-2022-45491","nvd":{"published":"2023-02-03T21:15:09.483","modified":"2026-06-17T05:10:15.063","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-787","CWE-122"],"references":["https://github.com/hyrathon/trophies/security/advisories/GHSA-55fm-gm4m-3v3j","https://github.com/sheredom/json.h/issues/94","https://github.com/hyrathon/trophies/security/advisories/GHSA-55fm-gm4m-3v3j","https://github.com/sheredom/json.h/issues/94"],"products":["json.h_project:json.h"],"source":"nvd","synced_at":"2026-10-19T21:37:38.595364862+00:00"},"epss":{"cve":"CVE-2022-45491","score":0.00261,"percentile":0.1796,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}