CVE-2023-5218
HIGHCVSS 8.8/10EPSS 1.26%
Last modified
CVE-2023-5218 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use after free in Site Isolation in Google Chrome prior to 118.0.5993.70 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical). EPSS estimates a 1.26% chance of exploitation in the next 30 days.
Description
Use after free in Site Isolation in Google Chrome prior to 118.0.5993.70 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
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 | < 118.0.5993.70 | |
| Debian | Debian Linux | 11.0 |
| Debian | Debian Linux | 12.0 |
| Fedoraproject | Fedora | 37 |
| Fedoraproject | Fedora | 38 |
References
- https://chromereleases.googleblog.com/2023/10/stable-channel-update-for-desktop_10.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1487110Permissions Required
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F5QCMP6KKWPDZZLFU7YXSZDHEKOE7BXO/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M4GHJ3FK5NPHDRUR4OJOI4UU6FKSOOGG/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202311-11Third Party Advisory
- https://security.gentoo.org/glsa/202312-07Third Party Advisory
- https://www.debian.org/security/2023/dsa-5526Third Party Advisory
- https://chromereleases.googleblog.com/2023/10/stable-channel-update-for-desktop_10.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1487110Permissions Required
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F5QCMP6KKWPDZZLFU7YXSZDHEKOE7BXO/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M4GHJ3FK5NPHDRUR4OJOI4UU6FKSOOGG/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202311-11Third Party Advisory
- https://security.gentoo.org/glsa/202312-07Third Party Advisory
- https://www.debian.org/security/2023/dsa-5526Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-5218?
Use after free in Site Isolation in Google Chrome prior to 118.0.5993.70 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)
How severe is CVE-2023-5218?
CVE-2023-5218 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.26% probability of exploitation in the next 30 days.
How do I fix CVE-2023-5218?
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.
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Are you affected by CVE-2023-5218?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
