CVE-2020-6576: Use after free in offscreen canvas
First published: Fri Jul 31 2020(Updated: )
Use after free in offscreen canvas in Google Chrome prior to 85.0.4183.102 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Credit: chrome-cve-admin@google.com Looben Yang
| 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 | <85.0.4183.102 | |
| openSUSE Backports SLE | =15.0-sp1 | |
| openSUSE Backports SLE | =15.0-sp2 | |
| Debian Debian Linux | =10.0 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =33 | |
| openSUSE Leap | =15.1 | |
| openSUSE Leap | =15.2 | |
| Google Chrome | <85.0.4183.102 | 85.0.4183.102 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2020-6576
- 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
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00049.html
- https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop.html (Advisory)
- https://crbug.com/1111737
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FN7HZIGAOCZKBT4LV363BCPRA5FLY25I/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNIYFJST4TFJYFZ27VODBOINCLBGULTD/
- 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/GNIYFJST4TFJYFZ27VODBOINCLBGULTD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FN7HZIGAOCZKBT4LV363BCPRA5FLY25I/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2020-6576?
CVE-2020-6576 is a vulnerability that refers to a use after free issue in the offscreen canvas feature of Google Chrome.
What is the severity of CVE-2020-6576?
The severity of CVE-2020-6576 is high, with a severity value of 8.8.
How does CVE-2020-6576 affect Google Chrome?
CVE-2020-6576 affects Google Chrome versions prior to 85.0.4183.102.
How can a remote attacker exploit CVE-2020-6576?
A remote attacker can potentially exploit CVE-2020-6576 by using a crafted HTML page to exploit heap corruption.
How do I fix the CVE-2020-6576 vulnerability?
To fix the CVE-2020-6576 vulnerability, update Google Chrome to version 85.0.4183.102 or later.
- collector/security-tracker-debian
- agent/type
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/remedy
- collector/mitre-cve
- source/MITRE
- collector/chrome-releases
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/title
- agent/severity
- agent/author
- agent/references
- agent/weakness
- agent/softwarecombine
- agent/first-publish-date
- agent/description
- agent/tags
- agent/event
- package-manager/debian
- vendor/google
- canonical/google chrome
- vendor/opensuse
- canonical/opensuse backports sle
- version/opensuse backports sle/15.0-sp1
- version/opensuse backports sle/15.0-sp2
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/31
- version/fedoraproject fedora/33
- canonical/opensuse leap
- version/opensuse leap/15.1
- version/opensuse leap/15.2