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CVE-2020-16012

MediumPublished

Side-channel information leakage in graphics in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Published: Jan 8, 2021
Updated: Aug 4, 2024
Assigning CNA: Chrome
Evidence observed: Aug 8, 2026

Primary CVSS

4.3/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

2.6%

Low · next 30 days

Percentile: 84.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Side-channel information leakage in graphics in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Sources

cve-2020-16012PoC
PoC for CVE-2020-16012, a timing side channel in drawImage in Firefox & Chrome
CVE-2020-16012-PoCPoC
Proof-of-concept for CVE-2020-16012: a side-channel attack recovering pixel data from cross-origin images using timing measurements in Chromium's drawImage API.
CVE-2020-16012-PoCPoC
PoC for CVE-2020-16012, a timing side channel in drawImage in Firefox & Chrome

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