Debian Security Bug TrackerDEBIANCVE:CVE-2017-7800CVE-2017-7800
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
0.008 Low
EPSS
Percentile
80.8%
A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 999 | all | firefox | < 55.0-1 | firefox_55.0-1_all.deb |
| Debian | 12 | all | firefox-esr | < 52.3.0esr-1 | firefox-esr_52.3.0esr-1_all.deb |
| Debian | 11 | all | firefox-esr | < 52.3.0esr-1 | firefox-esr_52.3.0esr-1_all.deb |
| Debian | 10 | all | firefox-esr | < 52.3.0esr-1 | firefox-esr_52.3.0esr-1_all.deb |
| Debian | 999 | all | firefox-esr | < 52.3.0esr-1 | firefox-esr_52.3.0esr-1_all.deb |
| Debian | 13 | all | firefox-esr | < 52.3.0esr-1 | firefox-esr_52.3.0esr-1_all.deb |
Related
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
0.008 Low
EPSS
Percentile
80.8%