8.8

CVE-2021-36080

Exploit
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).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gnu ≫ Libredwg Version >= 0.12.3.4163 <= 0.12.3.4191
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.33% 0.673
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd@nist.gov 6.8 8.6 6.4
AV:N/AC:M/Au:N/C:P/I:P/A:P
CWE-415 Double Free

The product calls free() twice on the same memory address.

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724
Patch
Third Party Advisory
Exploit
Issue Tracking
https://github.com/LibreDWG/libredwg/commit/9b6e0ff9ef02818df034fc42c3bd149a5ff89342
Patch
Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-495.yaml
Third Party Advisory