Vulnerability Description
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).
CVSS Score
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Libredwg | >= 0.12.3.4163, <= 0.12.3.4191 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724ExploitIssue TrackingPatch
- https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff8PatchThird Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yThird Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724ExploitIssue TrackingPatch
- https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff8PatchThird Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yThird Party Advisory
FAQ
What is CVE-2021-36080?
CVE-2021-36080 is a vulnerability with a CVSS score of 8.8 (HIGH). 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).
How severe is CVE-2021-36080?
CVE-2021-36080 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-36080?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Libredwg.