CVE-2023-6345

9.6 CRITICAL 16% exploit odds Drop everything exploited in the wild No fix listed Memory safety Browser & mail

What it is

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)

At a glance

Exploitability: Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
In the wild: CISA lists this as exploited in real attacks. Treat as urgent.
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2023-11-28 01:12 UTC ReservedThe CVE id was reserved by its CNA
2023-11-29 12:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2023-11-30 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
2023-12-21 Remediation deadlineCISA's due date for federal agencies to fix it
2026-06-17 06:50 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
Exploit odds: 16.5% in the next 30 days (EPSS).
Severity: 9.6 CRITICAL (CVSS).
Fix: none linked yet, which raises it.
It meets the bar for Drop everything: critical, and exploited or very likely to be.

Details

Published: 2023-11-29 12:15 UTC
Last modified: 2026-06-17 06:50 UTC
Added to CISA KEV: 2023-11-30
Exploit probability: 16.5% · EPSS, next 30 days
Weakness: CWE-190 · Integer overflow
Record status: Analyzed

Affected

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

Attack profile CVSS 3.1 · 9.6

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required
Scope: Changed
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-6345.md and follow it. Check whether this project is affected by CVE-2023-6345. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record