CVE-2020-6495

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-03 · updated 2026-06-17
Weakness: CWE-276

Description

Insufficient policy enforcement in developer tools in Google Chrome prior to 83.0.4103.97 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

Affected products

Debian Linux: 9.0, 10.0
Google Chrome: before 83.0.4103.97 — fixed in 83.0.4103.97
openSUSE Backports: sle-15-sp1
openSUSE Leap: 15.1

How to fix

Upgrade to a fixed version: Google Chrome 83.0.4103.97. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html
https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html
https://crbug.com/1072116
https://security.gentoo.org/glsa/202006-02
https://www.debian.org/security/2020/dsa-4714
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html
https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html
https://crbug.com/1072116
https://security.gentoo.org/glsa/202006-02
https://www.debian.org/security/2020/dsa-4714

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