CVE-2020-36429

medium

Description

Variant_encodeJson in open62541 1.x before 1.0.4 has an out-of-bounds write for a large recursion depth.

References

Advisories

https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4

https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392f8861d

https://github.com/google/oss-fuzz-vulns/blob/main/vulns/open62541/OSV-2020-153.yaml

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578

Details

Source: Mitre, NVD

Published: 2021-07-20

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00078