OSV-2020-663
Heap-buffer-overflow in Variant_decodeJson
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18259
Crash type: Heap-buffer-overflow READ 4
Crash state:
Variant_decodeJson
UA_decodeJson
fuzz_json_decode_encode.cc
What each source reports
OSV No score
Heap-buffer-overflow in Variant_decodeJson
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18259
Crash type: Heap-buffer-overflow READ 4
Crash state:
Variant_decodeJson
UA_decodeJson
fuzz_json_decode_encode.cc
- Record
OSV-2020-663- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
open62541OSS-Fuzz |
Listed versions, plus commit ranges v1.0v1.0-devv1.0-rc1v1.0-rc2v1.0-rc3v1.0-rc4v1.0-rc5v1.1-dev |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2020-663 is a vulnerability with no CVSS score yet in open62541, published July 1, 2020. No source lists public exploit code. A source reports a fix.