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CVE-2021-21154

Date: February 22, 2021

Heap buffer overflow in Tab Strip in Google Chrome 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.

Severity Score

9.6

Related Resources (11)

Url: https://security.gentoo.org/glsa/202104-08

Url: https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_16.html

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/

Url: https://security-tracker.debian.org/tracker/CVE-2021-21154

Url: https://crbug.com/1173269

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BI6ZIJQYP5DFMYVX4J5OGOU2NQLEZ3SB/

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-21154

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-21154

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BI6ZIJQYP5DFMYVX4J5OGOU2NQLEZ3SB/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/

Url: https://www.mend.io/vulnerability-database/CVE-2021-21154

Severity Score

9.6

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	9.6
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	CHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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