CVE-2021-43529
CVE-2021-43529
Vexday Risk Score
28Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 9.8EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
16 Feb 2023Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Mozilla · ThunderbirdWant to know if your infrastructure is exposed to this?
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