CVE-2023-6345

Google Chromium Skia contains an integer overflow vulnerability that allows a remote attacker, who has compromised the renderer process, to…

CVSS score
9.6 Critical
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA KEV
Yes — actively exploited (added 2023-11-30, remediation due 2023-12-21)
Weakness (CWE)
CWE-190
Published
2023-11-29
Last modified
2026-06-17
NVD status
Analyzed

Description

Google Chromium Skia contains an integer overflow vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a malicious file. This vulnerability affects Google Chrome and ChromeOS, Android, Flutter, and possibly other products.

Affected products

Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.

Required action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Federal remediation deadline: 2023-12-21.

How to prioritize this

This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.

References

FAQ

Is CVE-2023-6345 actively exploited?

Yes. CISA added CVE-2023-6345 to its Known Exploited Vulnerabilities (KEV) catalog on 2023-11-30, with a federal remediation deadline of 2023-12-21. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.

What is the CVSS score of CVE-2023-6345?

CVE-2023-6345 has a CVSS base score of 9.6 (Critical). Its vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Related vulnerabilities

Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.