CVE-2025-26696

High

Description

Certain crafted MIME email messages that claimed to contain an encrypted OpenPGP message, which instead contained an OpenPGP signed message, were wrongly shown as being encrypted. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.

SeverityHigh
CVSS7.0
Exploit probability—
ProductMozilla Thunderbird
PublishedMar 10, 2025
First seenMar 10, 2025
Weakness typeCWE-290CWE-290

How to fix

Update
  • mozilla thunderbird128.8.0, 136.0 or later

Affected products

ProductAffected versionsFixed in
mozilla thunderbirdv < 128.8.0, 129.0 ≤ v < 136.0128.8.0, 136.0

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