6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.001 Low
EPSS
Percentile
39.9%
When reusing existing popups Firefox would have allowed them to cover the fullscreen notification UI, which could have enabled browser spoofing attacks. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 999 | all | firefox | < 100.0-1 | firefox_100.0-1_all.deb |
Debian | 12 | all | firefox-esr | < 91.9.0esr-1 | firefox-esr_91.9.0esr-1_all.deb |
Debian | 11 | all | firefox-esr | < 91.9.0esr-1~deb11u1 | firefox-esr_91.9.0esr-1~deb11u1_all.deb |
Debian | 10 | all | firefox-esr | < 91.9.0esr-1~deb10u1 | firefox-esr_91.9.0esr-1~deb10u1_all.deb |
Debian | 999 | all | firefox-esr | < 91.9.0esr-1 | firefox-esr_91.9.0esr-1_all.deb |
Debian | 13 | all | firefox-esr | < 91.9.0esr-1 | firefox-esr_91.9.0esr-1_all.deb |
Debian | 12 | all | thunderbird | < 1:91.9.0-1 | thunderbird_1:91.9.0-1_all.deb |
Debian | 11 | all | thunderbird | < 1:91.9.0-1~deb11u1 | thunderbird_1:91.9.0-1~deb11u1_all.deb |
Debian | 10 | all | thunderbird | < 1:91.9.0-1~deb10u1 | thunderbird_1:91.9.0-1~deb10u1_all.deb |
Debian | 999 | all | thunderbird | < 1:91.9.0-1 | thunderbird_1:91.9.0-1_all.deb |
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.001 Low
EPSS
Percentile
39.9%