What’s Vulnerable › Vulnerabilities

CVE-2021-38003: Google Chromium V8 Memory Corruption Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2021-11-03
• EPSS: 38.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-11-23 · updated 2026-06-17
• Weakness: CWE-755

Description

Inappropriate implementation in V8 in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected products

• Debian Linux: 10.0, 11.0
• Fedoraproject Fedora: 34
• Google Chrome: before 95.0.4638.69 — fixed in 95.0.4638.69

How to fix

Upgrade to a fixed version: Google Chrome 95.0.4638.69. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html
• https://crbug.com/1263462
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/
• https://www.debian.org/security/2022/dsa-5046
• https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html
• https://crbug.com/1263462
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/
• https://www.debian.org/security/2022/dsa-5046
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38003

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