Astra Linux – Vulnerability in Thunderbird

When a user explicitly requested Thunderbird to decrypt an inline OpenPGP message that was embedded in a text section of an email, which was formatted and styled using HTML and CSS, the decrypted contents were displayed in a context where the CSS styles from the outer messages remained active. If...

CVE-2026-0818

When a user explicitly requested Thunderbird to decrypt an inline OpenPGP message that was embedded in a text section of an email that was formatted and styled with HTML and CSS, then the decrypted contents were rendered in a context in which the CSS styles from the outer messages were active. If...