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-2021-38504
Severity
HIGH
CVSS
8.8
EPSS
1.59%
Firefox
Original NVD Description
When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Related CVEs
Other vulnerabilities affecting the same vendor(s)