CVE-2021-23991
Vulnerability from cvelistv5
Published
2021-06-24 13:27
Modified
2024-08-03 19:14
Severity ?
EPSS score ?
0.22% (0.44464)
Summary
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. This vulnerability affects Thunderbird < 78.9.1.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1673240Exploit, Issue Tracking, Vendor Advisory
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2021-13/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1673240Exploit, Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2021-13/Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
Mozilla Thunderbird Version: unspecified   < 78.9.1
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