CVE-2021-21169
HIGHCVSS 8.8/10EPSS 1.42%
Last modified
CVE-2021-21169 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Out of bounds memory access in V8 in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.. EPSS estimates a 1.42% chance of exploitation in the next 30 days.
Description
Out of bounds memory access in V8 in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 89.0.4389.72 | |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
| Debian | Debian Linux | 10.0 |
References
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1166138Exploit, Issue Tracking, Patch, Permissions Required, Third Party Advisory
- https://security.gentoo.org/glsa/202104-08Third Party Advisory
- https://www.debian.org/security/2021/dsa-4886Third Party Advisory
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1166138Exploit, Issue Tracking, Patch, Permissions Required, Third Party Advisory
- https://security.gentoo.org/glsa/202104-08Third Party Advisory
- https://www.debian.org/security/2021/dsa-4886Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21169?
Out of bounds memory access in V8 in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
How severe is CVE-2021-21169?
CVE-2021-21169 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21169?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-21163Insufficient data validation in Reader Mode in Google Chrome…6.5
- CVE-2021-21164Insufficient data validation in Chrome on iOS in Google Chro…6.5
- CVE-2021-21165Data race in audio in Google Chrome prior to 89.0.4389.72 al…8.8
- CVE-2021-21166Data race in audio in Google Chrome prior to 89.0.4389.72 al…8.8
- CVE-2021-21167Use after free in bookmarks in Google Chrome prior to 89.0.4…8.8
- CVE-2021-21168Insufficient policy enforcement in appcache in Google Chrome…6.5
- CVE-2021-2117Vulnerability in the Oracle Application Express Survey Build…5.4
- CVE-2021-21170Incorrect security UI in Loader in Google Chrome prior to 89…6.5
- CVE-2021-21171Incorrect security UI in TabStrip and Navigation in Google C…6.5
- CVE-2021-21172Insufficient policy enforcement in File System API in Google…8.1
- CVE-2021-21173Side-channel information leakage in Network Internals in Goo…6.5
- CVE-2021-21174Inappropriate implementation in Referrer in Google Chrome pr…8.8
Are you affected by CVE-2021-21169?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST