OSV-2021-495
Heap-double-free in bit_chain_free
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724
Crash type: Heap-double-free
Crash state:
bit_chain_free
dwg_encode_MTEXT
dwg_encode_add_object
What each source reports
OSV No score
Heap-double-free in bit_chain_free
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724
Crash type: Heap-double-free
Crash state:
bit_chain_free
dwg_encode_MTEXT
dwg_encode_add_object
- Record
OSV-2021-495- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libredwgOSS-Fuzz |
Listed versions, plus commit ranges 0.12.3.41630.12.3.41650.12.3.41670.12.3.41730.12.3.4176 Show 5 moreShow less0.12.3.41780.12.3.41800.12.3.41850.12.3.41890.12.3.4191 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2021-495 is a vulnerability with no CVSS score yet in libredwg, published March 6, 2021. No source lists public exploit code. A source reports a fix.