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OSV-2021-333

Heap-buffer-overflow in int flatbuffers::ReadScalar<int>

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30699

Crash type: Heap-buffer-overflow READ 4
Crash state:
int flatbuffers::ReadScalar<int>
flatbuffers::Table::GetVTable
flatbuffers::Table::GetOptionalFieldOffset

What each source reports

OSV No score

Heap-buffer-overflow in int flatbuffers::ReadScalar<int>

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30699

Crash type: Heap-buffer-overflow READ 4
Crash state:
int flatbuffers::ReadScalar<int>
flatbuffers::Table::GetVTable
flatbuffers::Table::GetOptionalFieldOffset
Record
OSV-2021-333
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
flatbuffers
OSS-Fuzz
Listed versions, plus commit ranges
v2.0.0
None known

History

History
RecordedChangedSources
first indexedOSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

OSV-2021-333 is a vulnerability with no CVSS score yet in flatbuffers, published February 10, 2021. No source lists public exploit code. A source reports a fix.

References

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