CVE-2020-6474: Use After Free
First published: Thu May 21 2020(Updated: )
Use after free in Blink in Google Chrome prior to 83.0.4103.61 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Credit: chrome-cve-admin@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/chromium | 90.0.4430.212-1~deb10u1 116.0.5845.180-1~deb11u1 120.0.6099.129-1~deb11u1 119.0.6045.199-1~deb12u1 120.0.6099.129-1~deb12u1 120.0.6099.129-1 | |
| Google Chrome | <83.0.4103.61 | |
| openSUSE Backports | =15.0-sp1 | |
| openSUSE | =15.1 | |
| Fedora | =31 | |
| Fedora | =32 | |
| Debian | =9.0 | |
| Debian | =10.0 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2020-6474
- 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/2020/05/stable-channel-update-for-desktop_19.html
- https://crbug.com/1059533
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OQYH5OK7O4BU6E37WWG5SEEHV65BFSGR/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WLFZ5N4EK6I4ZJP5YSKLLVN3ELXEB4XT/
- https://security.gentoo.org/glsa/202006-02
- https://security.gentoo.org/glsa/202101-30
- https://www.debian.org/security/2020/dsa-4714
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQYH5OK7O4BU6E37WWG5SEEHV65BFSGR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WLFZ5N4EK6I4ZJP5YSKLLVN3ELXEB4XT/
Frequently Asked Questions
What is the severity of CVE-2020-6474?
CVE-2020-6474 has a severity rating that indicates potential for serious impact due to heap corruption caused by a use after free vulnerability.
How do I fix CVE-2020-6474?
To mitigate CVE-2020-6474, ensure that you update your Google Chrome or Chromium browser to versions 83.0.4103.61 or later.
Which versions of Google Chrome are affected by CVE-2020-6474?
CVE-2020-6474 affects all versions of Google Chrome prior to 83.0.4103.61.
Is the vulnerability CVE-2020-6474 specific to any operating system?
CVE-2020-6474 is present in Google Chrome across multiple operating systems, including Windows, macOS, and Linux distributions.
What could an attacker achieve by exploiting CVE-2020-6474?
An attacker could exploit CVE-2020-6474 to potentially execute arbitrary code on the affected system through a specially crafted HTML page.
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