VulnerabilityModified
CVE-2021-36080
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).
HIGH 8.8EPSS 1.33%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.33% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-415
- Affected
- gnu/libredwg
- Source
- cve@mitre.org
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342Patch, Third Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yamlThird Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342Patch, Third Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yamlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.