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ubuntucveUbuntu.comUB:CVE-2021-21193
HistoryMar 16, 2021 - 12:00 a.m.

CVE-2021-21193

2021-03-1600:00:00
ubuntu.com
ubuntu.com
24
google chrome
use after free
heap corruption
crafted html page

CVSS2

6.8

Attack Vector

NETWORK

Attack 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

CVSS3

8.8

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

EPSS

0.011

Percentile

84.9%

JSON

Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a
remote attacker to potentially exploit heap corruption via a crafted HTML
page.

Bugs

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< 89.0.4389.82-0ubuntu0.18.04.1UNKNOWN
ubuntu16.04noarchchromium-browser< 89.0.4389.82-0ubuntu0.16.04.1UNKNOWN

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thn 9
fedora 1
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debian 2
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CVSS2

6.8

Attack Vector

NETWORK

Attack 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

CVSS3

8.8

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

EPSS

0.011

Percentile

84.9%

JSON
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