VDB
DEBIAN-CVE-2021-43529
DEBIAN-CVE-2021-43529
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
Risk Scores
CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | thunderbird | 0, 0, 0 |
| Debian:13 | thunderbird | 0, 0, 0 |
| Debian:11 | thunderbird | 78.13.0-1, 78.14.0-1, 78.14.0-1 |
| Debian:12 | thunderbird | 0, 0, 0 |
Timeline
- Feb 16, 2023 CVE Published
- Apr 28, 2026 CVE Updated