Vulnerabilities > CVE-2021-36080 - Double Free vulnerability in GNU Libredwg
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
GNU LibreDWG 0.12.3.4163 through 0.12.3.4191 has a double-free in bit_chain_free (called from dwg_encode_MTEXT and dwg_encode_add_object).
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 10 |
Common Weakness Enumeration (CWE)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yaml
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yaml
- https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342
- https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342