CVE-2020-6436: Use After Free
First published: Mon Apr 13 2020(Updated: )
Use after free in window management in Google Chrome prior to 81.0.4044.92 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 | <81.0.4044.92 | |
| Fedora | =30 | |
| Fedora | =31 | |
| Fedora | =32 | |
| Debian | =9.0 | |
| Debian | =10.0 | |
| openSUSE Backports | =15.0-sp1 | |
| openSUSE | =15.1 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2020-6436
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00031.html
- https://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_7.html
- https://crbug.com/1034519
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6XWIVVYIQU67QR2LHNGGZBS4FZOW2RQO/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HFVP775RPRDVY5FUCN7ABH5AE74TQFDD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XMXPDHEEACPD3BCMTC26SCCYB2ZMUOAO/
- https://www.debian.org/security/2020/dsa-4714
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XWIVVYIQU67QR2LHNGGZBS4FZOW2RQO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFVP775RPRDVY5FUCN7ABH5AE74TQFDD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XMXPDHEEACPD3BCMTC26SCCYB2ZMUOAO/
Frequently Asked Questions
What is the severity of CVE-2020-6436?
CVE-2020-6436 has a high severity rating due to its potential for heap corruption, which can be exploited remotely.
How do I fix CVE-2020-6436?
To fix CVE-2020-6436, update Google Chrome or affected browsers to version 81.0.4044.92 or later.
What versions are affected by CVE-2020-6436?
CVE-2020-6436 affects Google Chrome versions prior to 81.0.4044.92, as well as specific versions of Chromium and Fedora.
Can CVE-2020-6436 be exploited through a web page?
Yes, CVE-2020-6436 can potentially be exploited by a remote attacker via a crafted HTML page.
What products are impacted by CVE-2020-6436?
CVE-2020-6436 impacts multiple products including Google Chrome, Chromium, and various Fedora and Debian Linux versions.
- collector/security-tracker-debian
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- source/MITRE
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- agent/software-canonical-lookup-request
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- vendor/google
- canonical/google chrome
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- canonical/fedora
- version/fedora/30
- version/fedora/31
- version/fedora/32
- vendor/debian
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