CVE-2023-5346

Name: CVE-2023-5346
Creator: NVD / NIST
Published: 2023-10-05T18:15:13.27+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.74%

Last modified Jun 17, 2026

CVE-2023-5346 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Type confusion in V8 in Google Chrome prior to 117.0.5938.149 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High). EPSS estimates a 1.74% chance of exploitation in the next 30 days.

Description

Type confusion in V8 in Google Chrome prior to 117.0.5938.149 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.74%

74.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Chrome	< 117.0.5938.149
Fedoraproject	Fedora	37
Fedoraproject	Fedora	38
Fedoraproject	Fedora	39

References

https://chromereleases.googleblog.com/2023/10/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
https://crbug.com/1485829Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BMFDRMWMT6ZBLGLLWSWHHRAUBOSUXQDR/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M4GHJ3FK5NPHDRUR4OJOI4UU6FKSOOGG/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RA6HMWNOYQ56R35MHW77GVW7373Z4RSN/Mailing List, Third Party Advisory
https://security.gentoo.org/glsa/202401-34
https://chromereleases.googleblog.com/2023/10/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
https://crbug.com/1485829Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BMFDRMWMT6ZBLGLLWSWHHRAUBOSUXQDR/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M4GHJ3FK5NPHDRUR4OJOI4UU6FKSOOGG/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RA6HMWNOYQ56R35MHW77GVW7373Z4RSN/Mailing List, Third Party Advisory
https://security.gentoo.org/glsa/202401-34

Timeline

Published: Oct 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5346?

Type confusion in V8 in Google Chrome prior to 117.0.5938.149 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

How severe is CVE-2023-5346?

CVE-2023-5346 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.74% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5346?

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.

Are you affected by CVE-2023-5346?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST