OSV-2021-12
Heap-buffer-overflow in read_bits_16
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29221
Crash type: Heap-buffer-overflow READ 1
Crash state:
read_bits_16
decode_number
do_uncompress_block
What each source reports
OSV No score
Heap-buffer-overflow in read_bits_16
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29221
Crash type: Heap-buffer-overflow READ 1
Crash state:
read_bits_16
decode_number
do_uncompress_block
- Record
OSV-2021-12- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libarchiveOSS-Fuzz |
Listed versions, plus commit ranges v3.4.0v3.4.1v3.4.2v3.4.3v3.5.0v3.5.1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2021-12 is a vulnerability with no CVSS score yet in libarchive, published January 5, 2021. No source lists public exploit code. A source reports a fix.