Bug 2433720 (CVE-2026-0818) - CVE-2026-0818 thunderbird: CSS-based exfiltration of the content from partially encrypted emails when allowing remote content
Summary: CVE-2026-0818 thunderbird: CSS-based exfiltration of the content from partial...
Keywords:
Status: NEW
Alias: CVE-2026-0818
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-01-28 08:01 UTC by OSIDB Bzimport
Modified: 2026-02-02 10:11 UTC (History)
5 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-01-28 08:01:28 UTC 
CSS-based exfiltration of the content from partially encrypted emails when allowing remote content. This vulnerability affects Thunderbird < 147.0.1 and Thunderbird < 140.7.1.
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