OSV-2021-1218
Heap-buffer-overflow in value_move
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38298
Crash type: Heap-buffer-overflow READ 8
Crash state:
value_move
mrb_ary_splice
mrb_ary_aset
What each source reports
OSVNo score
Heap-buffer-overflow in value_move
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38298
Crash type: Heap-buffer-overflow READ 8
Crash state:
value_move
mrb_ary_splice
mrb_ary_aset
- Record
OSV-2021-1218- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mrubyOSS-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-2021-1218 is a vulnerability with no CVSS score yet in mruby, published September 10, 2021. No source lists public exploit code. A source reports a fix.