Security Advisory
CVE-2021-43529
9.8
CRITICAL
Vulnerability 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.
Published Date
February 16, 2023
Official Source
NIST NVD Advisory