CVE-2023-6345

Name: CVE-2023-6345
Creator: NVD / NIST
Published: 2023-11-29T12:15:07.077+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.6/10Actively ExploitedEPSS 19.63%

Last modified Jun 17, 2026

CVE-2023-6345 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Integer overflow in Skia in Google Chrome prior to 119.0.6045.199 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High). CISA has confirmed active exploitation in the wild. EPSS estimates a 19.63% chance of exploitation in the next 30 days.

Description

Integer overflow in Skia in Google Chrome prior to 119.0.6045.199 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

Metrics

CVSS 3.1

9.6/10

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

EPSS Probability

19.63%

97.0th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Dec 21, 2023.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Chrome	< 119.0.6045.199
Debian	Debian Linux	11.0
Debian	Debian Linux	12.0
Fedoraproject	Fedora	37
Fedoraproject	Fedora	38
Fedoraproject	Fedora	39
Microsoft	Edge Chromium	< 119.0.2151.97

References

https://chromereleases.googleblog.com/2023/11/stable-channel-update-for-desktop_28.htmlRelease Notes
https://crbug.com/1505053Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T7ABNYMOI4ZHVCSPCNP7HQTOLGF53A2/Broken Link, Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C7XQNYZZA3X2LBJF57ZHKXWOMJKNLZYR/Broken Link, Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UJROPNKWW65R34J4IYGTJ7A3OBPUL4IQ/Broken Link, Mailing List
https://security.gentoo.org/glsa/202401-34Third Party Advisory
https://www.debian.org/security/2023/dsa-5569Mailing List
https://chromereleases.googleblog.com/2023/11/stable-channel-update-for-desktop_28.htmlRelease Notes
https://crbug.com/1505053Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T7ABNYMOI4ZHVCSPCNP7HQTOLGF53A2/Broken Link, Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C7XQNYZZA3X2LBJF57ZHKXWOMJKNLZYR/Broken Link, Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UJROPNKWW65R34J4IYGTJ7A3OBPUL4IQ/Broken Link, Mailing List
https://security.gentoo.org/glsa/202401-34Third Party Advisory
https://www.debian.org/security/2023/dsa-5569Mailing List
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6345US Government Resource

Timeline

Published: Nov 29, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-6345?

How severe is CVE-2023-6345?

CVE-2023-6345 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 19.63% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2023-6345?

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-2023-6345?

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

Scan your code now

Source: NVD / NIST