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OSV-2021-1448

Heap-buffer-overflow in mrb_vm_exec

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39947

Crash type: Heap-buffer-overflow WRITE 8
Crash state:
mrb_vm_exec
mrb_vm_run
mrb_top_run

What each source reports

OSV No score

Heap-buffer-overflow in mrb_vm_exec

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39947

Crash type: Heap-buffer-overflow WRITE 8
Crash state:
mrb_vm_exec
mrb_vm_run
mrb_top_run
Record
OSV-2021-1448
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
mruby
OSS-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

History
RecordedChangedSources
first indexedOSV

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

In short

OSV-2021-1448 is a vulnerability with no CVSS score yet in mruby, published October 15, 2021. No source lists public exploit code. A source reports a fix.

References

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