Integer overflow in Google Chrome
CVE-2023-6345
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)
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.165 (97.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.165 · newest: 0.165 · change: 0.000
Affected products
- Google Chrome — versions 119.0.6045.199
- Microsoft Edge Chromium
- Debian Linux — versions 11.0, 12.0
- Fedoraproject Fedora — versions 37, 38, 39
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- chromereleases.googleblog.com/2023/11/stable-channel-update-for-desktop_28.html (Release Notes)
- crbug.com/1505053 (Permissions Required)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Broken Link)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Broken Link)
- www.debian.org/security/2023/dsa-5569 (Mailing List)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List, Broken Link)
- security.gentoo.org/glsa/202401-34 (Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2023-6345?
- CVE-2023-6345 is a critical-severity vulnerability in Google Chrome, classified under Integer Overflow or Wraparound. CVSS score: 9.6/10. Published 2023-11-29.
- How severe is CVE-2023-6345?
- Critical severity. CVSS v3 base score is 9.6 out of 10.
- Is CVE-2023-6345 known to be exploited?
- Yes. CVE-2023-6345 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-11-30), indicating it is being actively exploited. 6 public proof-of-concept repositories are indexed.