OSV-2022-750

Heap-buffer-overflow in do_job

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50433

Crash type: Heap-buffer-overflow WRITE 4
Crash state:
do_job
blosc_compress_context
blosc2_compress_ctx

What each source reports

OSV No score

Heap-buffer-overflow in do_job

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50433

Crash type: Heap-buffer-overflow WRITE 4
Crash state:
do_job
blosc_compress_context
blosc2_compress_ctx

Record: OSV-2022-750
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`c-blosc2` OSS-Fuzz	Listed versions, plus commit ranges v2.3.0	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	OSV

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

In short

OSV-2022-750 is a vulnerability with no CVSS score yet in c-blosc2, published August 20, 2022. No source lists public exploit code. A source reports a fix.

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=50433