Multiple Interpretations of UI Input in Mozilla Thunderbird - CVE-2025-26696
Published: July 22, 2025
Vulnerability identifier: #VU113122
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-26696
CWE-ID: CWE-450
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Thunderbird
Mozilla Thunderbird
Detailed vulnerability description
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to improper validation of MIME email messages that claimed to contain an encrypted OpenPGP message. A remote attacker can force the application to incorrectly show the email message as being encrypted.
How to mitigate CVE-2025-26696
Install updates from vendor's website.