CVE-2021-37998: Use after free in Garbage Collection
First published: Wed Oct 13 2021(Updated: )
Use after free in Garbage Collection in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Credit: chrome-cve-admin@google.com Cassidy Kim Amber Security LabOPPO Mobile Telecommunications Corp. Ltd.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/chromium | <=90.0.4430.212-1~deb10u1 | 116.0.5845.180-1~deb11u1 118.0.5993.70-1~deb11u1 116.0.5845.180-1~deb12u1 118.0.5993.70-1~deb12u1 118.0.5993.70-1 |
| Google Chrome (Trace Event) | <95.0.4638.69 | 95.0.4638.69 |
| Google Chrome | <95.0.4638.69 | |
| Red Hat Fedora | =34 | |
| Debian Linux | =10.0 | |
| Debian Linux | =11.0 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2021-37998
- https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html (Advisory)
- https://crbug.com/1259587
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/
- https://www.debian.org/security/2022/dsa-5046
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2021-37998?
CVE-2021-37998 is considered a high-severity vulnerability that can lead to heap corruption.
How do I fix CVE-2021-37998?
To fix CVE-2021-37998, upgrade to Google Chrome version 95.0.4638.69 or later.
What does CVE-2021-37998 affect?
CVE-2021-37998 affects users of Google Chrome versions prior to 95.0.4638.69 and certain versions of Chromium.
What type of vulnerability is CVE-2021-37998?
CVE-2021-37998 is a use-after-free vulnerability that occurs during Garbage Collection in Google Chrome.
Can CVE-2021-37998 be exploited remotely?
Yes, CVE-2021-37998 can potentially be exploited by a remote attacker via a crafted HTML page.
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