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CVE-2021-23991 - log back

CVE-2021-23991 edited at 08 Apr 2021 20:01:17
Severity	- Unknown + Medium
Remote	- Unknown + Remote
Type	- Unknown + Denial of service
Description	+ A security issue was found in Thunderbird before version 78.9.1. If a Thunderbird user has previously imported Alice's OpenPGP key, and Alice has extended the validity period of her key, but Alice's updated key has not yet been imported, an attacker may send an email containing a crafted version of Alice's key with an invalid subkey, Thunderbird might subsequently attempt to use the invalid subkey, and will fail to send encrypted email to Alice.
References	+ https://www.mozilla.org/en-US/security/advisories/mfsa2021-13/#CVE-2021-23991 + https://bugzilla.mozilla.org/show_bug.cgi?id=1673240
Notes

CVE-2021-23991 created at 08 Apr 2021 19:59:39