Debian Security Bug TrackerDEBIANCVE:CVE-2017-7793CVE-2017-7793
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
0.005 Low
EPSS
Percentile
76.5%
A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 999 | all | firefox | < 56.0-1 | firefox_56.0-1_all.deb |
| Debian | 12 | all | firefox-esr | < 52.4.0esr-2 | firefox-esr_52.4.0esr-2_all.deb |
| Debian | 11 | all | firefox-esr | < 52.4.0esr-2 | firefox-esr_52.4.0esr-2_all.deb |
| Debian | 10 | all | firefox-esr | < 52.4.0esr-2 | firefox-esr_52.4.0esr-2_all.deb |
| Debian | 999 | all | firefox-esr | < 52.4.0esr-2 | firefox-esr_52.4.0esr-2_all.deb |
| Debian | 13 | all | firefox-esr | < 52.4.0esr-2 | firefox-esr_52.4.0esr-2_all.deb |
| Debian | 12 | all | thunderbird | < 1:52.4.0-1 | thunderbird_1:52.4.0-1_all.deb |
| Debian | 11 | all | thunderbird | < 1:52.4.0-1 | thunderbird_1:52.4.0-1_all.deb |
| Debian | 10 | all | thunderbird | < 1:52.4.0-1 | thunderbird_1:52.4.0-1_all.deb |
| Debian | 999 | all | thunderbird | < 1:52.4.0-1 | thunderbird_1:52.4.0-1_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
0.005 Low
EPSS
Percentile
76.5%