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ubuntucveUbuntu.comUB:CVE-2021-30558
HistoryJan 02, 2023 - 12:00 a.m.

CVE-2021-30558

2023-01-0200:00:00
ubuntu.com
ubuntu.com
21
cve-2021-30558
content security policy
remote attacker
crafted html page
chrome security severity
debian chromium source package
ubuntu 19.10
chromium snap
unix

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

0.001 Low

EPSS

Percentile

45.1%

JSON

Insufficient policy enforcement in content security policy in Google Chrome
prior to 91.0.4472.77 allowed a remote attacker to bypass content security
policy via a crafted HTML page. (Chrome security severity: Medium)

Notes

Author Note
alexmurray The Debian chromium source package is called chromium-browser in Ubuntu
mdeslaur starting with Ubuntu 19.10, the chromium-browser package is just a script that installs the Chromium snap
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchchromium-browser< 91.0.4472.77-0ubuntu0.18.04.1UNKNOWN

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chrome 1
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fedora
[SECURITY] Fedora 33 Update: chromium-94.0.4606.61-1.fc33
2021-10-09 00:27:38
[SECURITY] Fedora 34 Update: chromium-94.0.4606.61-1.fc34
2021-10-03 01:10:21
[SECURITY] Fedora 35 Update: chromium-94.0.4606.61-1.fc35
2021-10-29 23:16:24

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

0.001 Low

EPSS

Percentile

45.1%

JSON
Related for UB:CVE-2021-30558
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