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CVE-2026-118175

unscored Deferred
NVD · CVE.org

When replying to, forwarding, or editing a crafted email message as new, Thunderbird could embed parts of a different message stored in the same folder into the message being composed, without showing a blocked content warning. If the user sent the message, the content of the other message was disclosed to the recipients. This vulnerability was fixed in Thunderbird 159 and Thunderbird 153.6.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 4

  1. StatusPublished → DeferredNVD modified 2026-10-28 14:42
  2. StatusReceived → PublishedNVD modified 2026-10-27 18:27
  3. StatusPublished → ReceivedNVD modified 2026-10-27 19:17
  4. First seenunscored · mozillaNVD modified 2026-10-27 18:27

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 3