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Debian Security Bug TrackerDEBIANCVE:CVE-2021-4140HistoryDec 22, 2022 - 8:15 p.m.
CVE-2021-4140
2022-12-2220:15:12
Debian Security Bug Tracker
security-tracker.debian.org
25
xslt
bypass
iframe
sandbox
vulnerability
firefox
thunderbird
CVSS3
10
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
0.003
Percentile
65.6%
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 999 | all | firefox | < 96.0-1 | firefox_96.0-1_all.deb |
| Debian | 12 | all | firefox-esr | < 91.5.0esr-1 | firefox-esr_91.5.0esr-1_all.deb |
| Debian | 11 | all | firefox-esr | < 91.5.0esr-1~deb11u1 | firefox-esr_91.5.0esr-1~deb11u1_all.deb |
| Debian | 999 | all | firefox-esr | < 91.5.0esr-1 | firefox-esr_91.5.0esr-1_all.deb |
| Debian | 13 | all | firefox-esr | < 91.5.0esr-1 | firefox-esr_91.5.0esr-1_all.deb |
| Debian | 12 | all | thunderbird | < 1:91.5.0-1 | thunderbird_1:91.5.0-1_all.deb |
| Debian | 11 | all | thunderbird | < 1:91.5.0-2~deb11u1 | thunderbird_1:91.5.0-2~deb11u1_all.deb |
| Debian | 999 | all | thunderbird | < 1:91.5.0-1 | thunderbird_1:91.5.0-1_all.deb |
| Debian | 13 | all | thunderbird | < 1:91.5.0-1 | thunderbird_1:91.5.0-1_all.deb |
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2022-01-12 11:29:20
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2022-01-12 02:22:28
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2022-03-07 23:34:00
Important: thunderbird
2022-07-06 03:17:00
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gentoo
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CVSS3
10
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS
0.003
Percentile
65.6%
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