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CVE-2020-6556

Date: September 21, 2020

Heap buffer overflow in SwiftShader in Google Chrome prior to 84.0.4147.135 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Severity Score

8.8

Related Resources (11)

Url: https://security-tracker.debian.org/tracker/CVE-2020-6556

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-6556

Url: http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00049.html

Url: https://crbug.com/1115345

Url: https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_18.html

Url: https://access.redhat.com/security/cve/CVE-2020-6556

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/

Url: https://www.debian.org/security/2021/dsa-4824

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-6556

Url: https://www.mend.io/vulnerability-database/CVE-2020-6556

Severity Score

8.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	8.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	9.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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