Linuxsecurity
Mozilla Thunderbird CSS Exfiltration Vulnerability Patched
First seen 6 Feb 2026, 03:46 UTC
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A vulnerability identified as CVE-2026-0818 affects Mozilla Thunderbird, allowing CSS-based exfiltration of content from partially encrypted emails when remote content is enabled. This issue has been addressed in the latest update to version 140.7.1. Affected users are advised to apply the patch using recommended installation methods.
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