If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 2 - Core | thunderbird | 2021-01-05 23:35 | ALAS2-2021-1586 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
NVD | CVSSv2 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
NVD | CVSSv3 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |