9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.007 Low
EPSS
Percentile
79.4%
A use-after-free vulnerability can occur when reading an image observer
during frame reconstruction after the observer has been freed. This results
in a potentially exploitable crash. This vulnerability affects Thunderbird
< 52.3, Firefox ESR < 52.3, and Firefox < 55.
Author | Note |
---|---|
tyhicks | mozjs38 contains a copy of the SpiderMonkey JavaScript engine |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 17.10 | noarch | firefox | < 55.0.2+build1-0ubuntu4 | UNKNOWN |
ubuntu | 18.04 | noarch | firefox | < 55.0.2+build1-0ubuntu4 | UNKNOWN |
ubuntu | 18.10 | noarch | firefox | < 55.0.2+build1-0ubuntu4 | UNKNOWN |
ubuntu | 19.04 | noarch | firefox | < 55.0.2+build1-0ubuntu4 | UNKNOWN |
ubuntu | 19.10 | noarch | firefox | < 55.0.2+build1-0ubuntu4 | UNKNOWN |
ubuntu | 20.04 | noarch | firefox | < 55.0.2+build1-0ubuntu4 | UNKNOWN |
ubuntu | 20.10 | noarch | firefox | < 55.0.2+build1-0ubuntu4 | UNKNOWN |
ubuntu | 21.04 | noarch | firefox | < 55.0.2+build1-0ubuntu4 | UNKNOWN |
ubuntu | 21.10 | noarch | firefox | < 55.0.2+build1-0ubuntu4 | UNKNOWN |
ubuntu | 22.04 | noarch | firefox | < 55.0.2+build1-0ubuntu4 | UNKNOWN |
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.007 Low
EPSS
Percentile
79.4%