CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.
CVE
CVE-2021-43529
Severity
CRITICAL
CVSS
9.8
EPSS
0.47%
Original NVD Description
Thunderbird versions prior to 91.3.0 are vulnerable to the heap overflow described in CVE-2021-43527 when processing S/MIME messages. Thunderbird versions 91.3.0 and later will not call the vulnerable code when processing S/MIME messages that contain certificates with DER-encoded DSA or RSA-PSS signatures.
Related CVEs
Other vulnerabilities affecting the same vendor(s)