vulnerability
Alma Linux: CVE-2021-23993: Moderate: thunderbird security update (ALSA-2021-1193)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Jun 24, 2021 | May 4, 2022 | May 4, 2022 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Jun 24, 2021
Added
May 4, 2022
Modified
May 4, 2022
Description
An attacker may perform a DoS attack to prevent a user from sending encrypted email to a correspondent. If an attacker creates a crafted OpenPGP key with a subkey that has an invalid self signature, and the Thunderbird user imports the crafted key, then Thunderbird may try to use the invalid subkey, but the RNP library rejects it from being used, causing encryption to fail. This vulnerability affects Thunderbird
Solution
alma-upgrade-thunderbird
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