CVE-2026-0818 – CSS-based exfiltration of the content from partially encrypted emails when allowing remote content

CVE ID : CVE-2026-0818

Published : Jan. 28, 2026, 8:16 a.m. | 51 minutes ago

Description : CSS-based exfiltration of the content from partially encrypted emails when allowing remote content. This vulnerability affects Thunderbird
Severity: 0.0 | NA

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