CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable. It may lead to a denial-of-service condition.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
code execution
GitHub PoC Links
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2021-3403
Severity
HIGH
CVSS
7.8
EPSS
1.75%
Original NVD Description
In ytnef 1.9.3, the TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a double free which can be triggered via a crafted file.
Related CVEs
Other vulnerabilities affecting the same vendor(s)