CVE-2020-6530

Name: CVE-2020-6530
Creator: NVD / NIST
Published: 2020-07-22T17:15:14.463+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.49%

Last modified Jun 17, 2026

CVE-2020-6530 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Out of bounds memory access in developer tools in Google Chrome prior to 84.0.4147.89 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.. EPSS estimates a 1.49% chance of exploitation in the next 30 days.

Description

Out of bounds memory access in developer tools in Google Chrome prior to 84.0.4147.89 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.49%

70.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions	Update
Google	Chrome	< 84.0.4147.89	—
Opensuse	Backports Sle	15.0	Sp1
Opensuse	Leap	15.1	—
Opensuse	Leap	15.2	—
Fedoraproject	Fedora	31	—
Fedoraproject	Fedora	32	—
Debian	Debian Linux	10.0	—

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.htmlMailing List, Third Party Advisory
https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
https://crbug.com/1016278Exploit, Issue Tracking, Patch, Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYIDWCHG24ZTFD4P42D4A4WWPPA74BCG/
https://security.gentoo.org/glsa/202007-08Third Party Advisory
https://security.gentoo.org/glsa/202101-30Third Party Advisory
https://www.debian.org/security/2021/dsa-4824Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.htmlMailing List, Third Party Advisory
https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
https://crbug.com/1016278Exploit, Issue Tracking, Patch, Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYIDWCHG24ZTFD4P42D4A4WWPPA74BCG/
https://security.gentoo.org/glsa/202007-08Third Party Advisory
https://security.gentoo.org/glsa/202101-30Third Party Advisory
https://www.debian.org/security/2021/dsa-4824Third Party Advisory

Timeline

Published: Jul 22, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6530?

How severe is CVE-2020-6530?

CVE-2020-6530 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.49% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6530?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-6530?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST