CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.8. It affects Firefox. Public exploit code or proof-of-concept references have been detected in its references.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Detected Signals
exploit
Note: these links are listed for security research and verification purposes only.
CVE
CVE-2021-43537
Severity
HIGH
CVSS
8.8
EPSS
2.02%
Firefox
Original NVD Description
An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Related CVEs
Other vulnerabilities affecting the same vendor(s)