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
0.006 Low
EPSS
Percentile
77.8%
A use-after-free can occur when events are fired for a “FontFace” object after the object has been already been destroyed while working with fonts. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 999 | all | firefox | < 52.0-1 | firefox_52.0-1_all.deb |
Debian | 12 | all | firefox-esr | < 45.8.0esr-1 | firefox-esr_45.8.0esr-1_all.deb |
Debian | 11 | all | firefox-esr | < 45.8.0esr-1 | firefox-esr_45.8.0esr-1_all.deb |
Debian | 10 | all | firefox-esr | < 45.8.0esr-1 | firefox-esr_45.8.0esr-1_all.deb |
Debian | 999 | all | firefox-esr | < 45.8.0esr-1 | firefox-esr_45.8.0esr-1_all.deb |
Debian | 13 | all | firefox-esr | < 45.8.0esr-1 | firefox-esr_45.8.0esr-1_all.deb |
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
0.006 Low
EPSS
Percentile
77.8%