CVE-2025-26695

Downloading of OpenPGP keys from WKD used incorrect padding

CVSS 5.3 MEDIUMEPSS 0.1%

When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Produtos afetados

Mozilla · Thunderbird

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Referências

https://bugzilla.mozilla.org/show_bug.cgi?id=1883039 https://www.mozilla.org/security/advisories/mfsa2025-17/https://www.mozilla.org/security/advisories/mfsa2025-18/