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Untriaged
Permalink CVE-2026-84637
created 1 week, 6 days ago Activity log
  • Created suggestion 1 week, 6 days ago
Calendar invitation attachments could launch local executables

Malicious calendar invitations could use file URI attachments to launch local or network-hosted executables on Windows, bypassing Thunderbird's normal executable attachment protections. With the new invitation display enabled, the attachment could also appear under a misleading filename. This vulnerability was fixed in Thunderbird 154 and Thunderbird 153.2.

Affected products

Thunderbird
  • =<*
  • =<153.*

Matching in nixpkgs

pkgs.thunderbird-cli

Low-level CLI to manage Mozilla Thunderbird email from the shell

pkgs.thunderbird-mcp

MCP server for Thunderbird - enables AI assistants to access email, contacts, and calendars

pkgs.thunderbird-cli-bridge

HTTP/WebSocket bridge daemon between thunderbird-cli (or any HTTP client) and the Thunderbird-cli WebExtension. Stateless proxy, localhost-only.

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