9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
0.004 Low
EPSS
Percentile
72.9%
An out-of-bounds read occurs when applying style rules to pseudo-elements,
such as ::first-line, using cached style data. 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 | 14.04 | noarch | firefox | < 55.0.1+build2-0ubuntu0.14.04.2 | UNKNOWN |
ubuntu | 16.04 | noarch | firefox | < 55.0.1+build2-0ubuntu0.16.04.2 | UNKNOWN |
ubuntu | 17.04 | noarch | firefox | < 55.0.1+build2-0ubuntu0.17.04.2 | UNKNOWN |
ubuntu | 17.10 | noarch | thunderbird | < 1:52.4.0+build1-0ubuntu2 | UNKNOWN |
ubuntu | 18.04 | noarch | thunderbird | < 1:52.4.0+build1-0ubuntu2 | UNKNOWN |
ubuntu | 18.10 | noarch | thunderbird | < 1:52.4.0+build1-0ubuntu2 | UNKNOWN |
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
0.004 Low
EPSS
Percentile
72.9%