High severity · published May 23, 2022
CVE-2021-42586
A heap buffer overflow was discovered in copy_bytes in decode_r2007.c in dwgread before 0.12.4 via a crafted dwg file
8.8
CVSS
1%
EPSS
No
On KEV
Description
A heap buffer overflow was discovered in copy_bytes in decode_r2007.c in dwgread before 0.12.4 via a crafted dwg file.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libredwg · Gnu
before 0.12.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42586
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42586
Exploit
https://github.com/LibreDWG/libredwg/issues/350
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