CVE-2020-15963

CRITICAL 9.6CVE-2020-15963 · Published 21/09/2020 · updated 17/06/2026

In short

CVE-2020-15963 is a CRITICAL (CVSS 9.6) vulnerability affecting chrome (google), backports sle (opensuse).
Chance of exploitation in the next 30 days (EPSS): 1.5%, higher than 73.8% of all vulnerabilities.
Fix: update to 85.0.4183.121 or later.

Package	Affected versions	Patched versions
chrome google	`< 85.0.4183.121`	`85.0.4183.121`
backports sle opensuse	`= 15.0`	No fix yet

Description

Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

References

lists.opensuse.org/opensuse-security-announce/2020-09/msg00087.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2020-09/msg00095.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2020-09/msg00096.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2020-10/msg00049.html · Mailing List
chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop_21.html · Release Notes
crbug.com/1113558 · Exploit
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FN7HZIGAOCZKBT4LV363BCPRA5FLY25I
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNIYFJST4TFJYFZ27VODBOINCLBGULTD
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YWNBJFBPKYCYSZTS54FHNCRZG6KC2AIJ

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