The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5168-2 advisory.

    Tavis Ormandy discovered that NSS, included with Thunderbird, incorrectly handled verifying DSA/RSA-PSS     signatures. A remote attacker could use this issue to cause Thunderbird to crash, resulting in a denial of     service, or possibly execute arbitrary code.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Detections

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Ubuntu 18.04 LTS / 20.04 LTS : Thunderbird vulnerability (USN-5168-2)

critical Nessus Plugin ID 155766

Version 1.7