OSV-2021-821
Stack-buffer-overflow in jsoncons::bson::decimal128_to_chars
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34816
Crash type: Stack-buffer-overflow WRITE 6
Crash state:
jsoncons::bson::decimal128_to_chars
jsoncons::bson::basic_bson_parser<jsoncons::binary_stream_source, std::__1::allo
jsoncons::bson::basic_bson_parser<jsoncons::binary_stream_source, std::__1::allo
What each source reports
OSV No score
Stack-buffer-overflow in jsoncons::bson::decimal128_to_chars
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34816
Crash type: Stack-buffer-overflow WRITE 6
Crash state:
jsoncons::bson::decimal128_to_chars
jsoncons::bson::basic_bson_parser<jsoncons::binary_stream_source, std::__1::allo
jsoncons::bson::basic_bson_parser<jsoncons::binary_stream_source, std::__1::allo
- Record
OSV-2021-821- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
jsonconsOSS-Fuzz |
Commit ranges | Not evaluated |
Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2021-821 is a vulnerability with no CVSS score yet in jsoncons, published June 2, 2021. No source lists public exploit code. A source reports a fix.