Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues: Update to Mozilla Thunderbird 140.7.1 MFSA 2026-08 bsc1257397: CVE-2026-0818: CSS-based exfiltration of the content from partially encrypted emails when allowing remote content Patch Instructions: To install this SUSE update use the...

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...