CVE-2021-21155

2021-02-2200:00:00

ubuntu.com

google chrome

windows

buffer overflow

sandbox escape

html page

security vulnerability

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

9.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS

0.005

Percentile

75.3%

JSON

Heap buffer overflow in Tab Strip in Google Chrome on Windows prior to
88.0.4324.182 allowed a remote attacker who had compromised the renderer
process to potentially perform a sandbox escape via a crafted HTML page.

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