CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
80.3%
A use-after-free vulnerability with the frameloader during tree reconstruction while regenerating CSS layout when attempting to use a node in the tree that no longer exists. This results in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 999 | all | firefox | < 54.0-1 | firefox_54.0-1_all.deb |
Debian | 12 | all | firefox-esr | < 52.2.0esr-1 | firefox-esr_52.2.0esr-1_all.deb |
Debian | 11 | all | firefox-esr | < 52.2.0esr-1 | firefox-esr_52.2.0esr-1_all.deb |
Debian | 999 | all | firefox-esr | < 52.2.0esr-1 | firefox-esr_52.2.0esr-1_all.deb |
Debian | 13 | all | firefox-esr | < 52.2.0esr-1 | firefox-esr_52.2.0esr-1_all.deb |
CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
80.3%