8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.008 Low
EPSS
Percentile
79.3%
Aug. 12, 2021 Andrey Cherepanov 91.0-alt1
- New version.
- Security fixes:
+ CVE-2021-29986 Race condition when resolving DNS names could have led to memory corruption
+ CVE-2021-29981 Live range splitting could have led to conflicting assignments in the JIT
+ CVE-2021-29988 Memory corruption as a result of incorrect style treatment
+ CVE-2021-29984 Incorrect instruction reordering during JIT optimization
+ CVE-2021-29980 Uninitialized memory in a canvas object could have led to memory corruption
+ CVE-2021-29987 Users could have been tricked into accepting unwanted permissions on Linux
+ CVE-2021-29985 Use-after-free media channels
+ CVE-2021-29982 Single bit data leak due to incorrect JIT optimization and type confusion
+ CVE-2021-29989 Memory safety bugs fixed in Thunderbird 91
- Remove deprecated packages like google-calendar.
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.008 Low
EPSS
Percentile
79.3%