CVE-2020-6457

Severity: critical (CVSS 9.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-05-21 · updated 2026-06-17
Weakness: CWE-416

Description

Use after free in speech recognizer in Google Chrome prior to 81.0.4044.113 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Affected products

Debian Linux: 9.0, 10.0
Google Chrome: before 81.0.4044.113 — fixed in 81.0.4044.113

How to fix

Upgrade to a fixed version: Google Chrome 81.0.4044.113. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_15.html
https://crbug.com/1067851
https://www.debian.org/security/2020/dsa-4714
https://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_15.html
https://crbug.com/1067851
https://www.debian.org/security/2020/dsa-4714

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