OSV-2021-520
Heap-buffer-overflow in flatbuffers::EscapeString
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32008
Crash type: Heap-buffer-overflow READ 1
Crash state:
flatbuffers::EscapeString
flexbuffers::Reference::ToString
void flexbuffers::AppendToString<flexbuffers::Vector>
What each source reports
OSV No score
Heap-buffer-overflow in flatbuffers::EscapeString
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32008
Crash type: Heap-buffer-overflow READ 1
Crash state:
flatbuffers::EscapeString
flexbuffers::Reference::ToString
void flexbuffers::AppendToString<flexbuffers::Vector>
- Record
OSV-2021-520- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
flatbuffersOSS-Fuzz |
Listed versions, plus commit ranges v2.0.0 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2021-520 is a vulnerability with no CVSS score yet in flatbuffers, published March 14, 2021. No source lists public exploit code. A source reports a fix.