{"cve":"CVE-2020-36429","nvd":{"published":"2021-07-20T07:15:07.773","modified":"2026-06-17T03:15:28.380","status":"Modified","description":"Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-787"],"references":["https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578","https://github.com/google/oss-fuzz-vulns/blob/main/vulns/open62541/OSV-2020-153.yaml","https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392f8861d","https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4","https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578"],"products":["open62541:open62541"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2020-36429","score":0.0031,"percentile":0.23846,"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."]}