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CVE-2021-21223

Date: April 26, 2021

Integer overflow in Mojo in Google Chrome prior to 90.0.4430.85 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 (15)

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

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/

Url: https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_20.html

Url: https://security-tracker.debian.org/tracker/CVE-2021-21223

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-21223

Url: https://crbug.com/1195308

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-21223

Url: https://security.alpinelinux.org/vuln/CVE-2021-21223

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/

Url: https://www.debian.org/security/2021/dsa-4906

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/

Url: https://www.mend.io/vulnerability-database/CVE-2021-21223

Severity Score

9.6

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

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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