CVE-2020-6559: Use after free in presentation API

Reference Links

• https://security-tracker.debian.org/tracker/CVE-2020-6559
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00072.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00078.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00081.html
• https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_25.html (Advisory)
• https://crbug.com/1116706
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/
• https://security.gentoo.org/glsa/202101-30
• https://www.debian.org/security/2021/dsa-4824
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE7XWIZBME7JAY7N6CGPET4CLNHHEIVT/

Parent vulnerabilities

(Appears in the following advisories)

• 8899364509753834961

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2020-6558
• CVE-2020-6560
• CVE-2020-6561
• CVE-2020-6562
• CVE-2020-6563
• CVE-2020-6564
• CVE-2020-36765
• CVE-2020-6565
• CVE-2020-6566
• CVE-2020-6567
• CVE-2020-6568
• CVE-2020-6569
• CVE-2020-6570
• CVE-2020-6571

Frequently Asked Questions

• What is CVE-2020-6559?

  CVE-2020-6559 is a vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page in Google Chrome prior to version 85.0.4183.83.

• How severe is CVE-2020-6559?

  CVE-2020-6559 has a severity score of 8.8 (critical).

• Which software versions are affected by CVE-2020-6559?

  Google Chrome versions prior to 85.0.4183.83, openSUSE Backports SLE 15.0-sp1 and 15.0-sp2, Debian Linux 10.0, Fedora 33, openSUSE Leap 15.1 and 15.2.

• How can I fix CVE-2020-6559?

  To fix CVE-2020-6559, update Google Chrome to version 85.0.4183.83 or later, or apply the security patches provided by your operating system for openSUSE Backports SLE, Debian Linux, Fedora, or openSUSE Leap.

• Where can I find more information about CVE-2020-6559?

  You can find more information about CVE-2020-6559 at the following references: [link1](http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00072.html), [link2](http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00078.html), [link3](http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00081.html).