Skip to content
appaloosa scout logo main rounded
HIGH 8.8

CVE-2021-23954

Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

CVSS v3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS 0.3% percentile 48.5%

Affected tracked apps

Vulnerable CPE configurations

Vendor Product Platform Versions CPE 2.3 URI
mozilla thunderbird Windows <78.7 cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
View on NVD ↗