OSV-2021-557
Heap-use-after-free in copy_string
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375
Crash type: Heap-use-after-free READ 1
Crash state:
copy_string
do_uncompress_block
process_block
What each source reports
OSV No score
Heap-use-after-free in copy_string
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32375
Crash type: Heap-use-after-free READ 1
Crash state:
copy_string
do_uncompress_block
process_block
- Record
OSV-2021-557- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libarchiveOSS-Fuzz |
Listed versions, plus commit ranges v3.4.1v3.4.2v3.4.3v3.5.0v3.5.1v3.5.2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2021-557 is a vulnerability with no CVSS score yet in libarchive, published March 25, 2021. No source lists public exploit code. A source reports a fix.