8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
58.1%
An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScript object, leading to prototype pollution and ultimately attacker-controlled JavaScript executing in the privileged parent process. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 999 | all | firefox | < 100.0.2-1 | firefox_100.0.2-1_all.deb |
Debian | 12 | all | firefox-esr | < 91.9.1esr-1 | firefox-esr_91.9.1esr-1_all.deb |
Debian | 11 | all | firefox-esr | < 91.9.1esr-1~deb11u1 | firefox-esr_91.9.1esr-1~deb11u1_all.deb |
Debian | 10 | all | firefox-esr | < 91.9.1esr-1~deb10u1 | firefox-esr_91.9.1esr-1~deb10u1_all.deb |
Debian | 999 | all | firefox-esr | < 91.9.1esr-1 | firefox-esr_91.9.1esr-1_all.deb |
Debian | 13 | all | firefox-esr | < 91.9.1esr-1 | firefox-esr_91.9.1esr-1_all.deb |
Debian | 12 | all | thunderbird | < 1:91.10.0-1 | thunderbird_1:91.10.0-1_all.deb |
Debian | 11 | all | thunderbird | < 1:91.10.0-1~deb11u1 | thunderbird_1:91.10.0-1~deb11u1_all.deb |
Debian | 10 | all | thunderbird | < 1:91.10.0-1~deb10u1 | thunderbird_1:91.10.0-1~deb10u1_all.deb |
Debian | 999 | all | thunderbird | < 1:91.10.0-1 | thunderbird_1:91.10.0-1_all.deb |
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
58.1%