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Vulnerability record · CVE-2020-6549 · published 21 September 2020

CVE-2020-6549: Google chrome use after free vulnerability

Google · Chrome

Use after free in media in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

8.8 CVSS 3.1 High EPSS 28% · top 2.0% CWE-416 · Use after freeCWE-787 · Out-of-bounds write
8.8CVSS 3.1 base score, v2 9.3
28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

Use after free in media in Google Chrome prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/159558/Chrome-MediaElementEventListener-UpdateSources-Use-After-Free.html Third Party AdvisoryVDB Entry
https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html Release NotesVendor Advisory
https://crbug.com/1105426 Permissions RequiredThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4
https://security.gentoo.org/glsa/202101-30 Third Party Advisory
https://www.debian.org/security/2021/dsa-4824 Third Party Advisory
http://packetstormsecurity.com/files/159558/Chrome-MediaElementEventListener-UpdateSources-Use-After-Free.html Third Party AdvisoryVDB Entry
https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html Release NotesVendor Advisory
https://crbug.com/1105426 Permissions RequiredThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4
https://security.gentoo.org/glsa/202101-30 Third Party Advisory
https://www.debian.org/security/2021/dsa-4824 Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-6549), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.