Medium severity · published Jan 1, 2022
CVE-2021-45950
LibreDWG 0.12.4.4313 through 0.12.4.4367 has an out-of-bounds write in dwg_free_BLOCK_private (called from dwg_free_BLOCK and dwg_free_object)
6.5
CVSS
0.9%
EPSS
No
On KEV
Description
LibreDWG 0.12.4.4313 through 0.12.4.4367 has an out-of-bounds write in dwg_free_BLOCK_private (called from dwg_free_BLOCK and dwg_free_object).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libredwg · Gnu
0.12.4.4313 through 0.12.4.4367 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45950
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45950
Exploit
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34766
Exploit
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libredwg/OSV-2021-814.yaml
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