CVE-2023-6345
CriticalExploitedPublic exploitInteger 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.
Published Nov 29, 2023 · Updated Aug 7, 2026 · Also known as DEBIAN-CVE-2023-6345, DSA-5569-1
Key Facts
Patch immediately- CVE-2023-6345 is a critical-severity vulnerability (CVSS 9.6 v3.1) affecting Chrome (Google), Edge Chromium (Microsoft), Debian Linux and 21 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 28, 2023. Public exploit code is available.
- EPSS estimates a 16% probability of exploitation in the next 30 days.
- Fixed versions are available, including Chrome 119.0.6045.199, chromedriver 119.0.6045.199-1.1, chromedriver 119.0.6045.199-bp155.2.61.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
16%
Higher than 96.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-6345 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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)
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 30, 2023 | Dec 21, 2023 | Not reported |
| Industry KEV feed | Sep 28, 2023 | Dec 21, 2023 | Not reported |
| CIRCL KEV | Nov 30, 2023 | Dec 21, 2023 | Not reported |
| ENISA EUVD | Nov 30, 2023 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
58 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ChromeGoogle | >= 119.0.6045.199 | 119.0.6045.199 |
| Edge ChromiumMicrosoft | See advisory | 119.0.2151.97 |
| Debian LinuxDebian | 11.0, 12.0 | n/a |
| FedoraFedoraproject | 37, 38, 39 | n/a |
| qt5-qtwebenginealpine | See advisory | 5.15.16-r2 |
Patched Releases
Chrome
119.0.6045.199
chromedriver
119.0.6045.199-1.1, 119.0.6045.199-bp155.2.61.1
chromium
119.0.6045.199-1, 119.0.6045.199-1.1, 119.0.6045.199-1~deb11u1, 119.0.6045.199-1~deb12u1, 119.0.6045.199-bp155.2.61.1
libqt5-qtpdf-devel
5.15.17-1.1
libqt5-qtpdf-examples
5.15.17-1.1
libqt5-qtpdf-imports
5.15.17-1.1
libqt5-qtpdf-private-headers-devel
5.15.17-1.1
libqt5-qtwebengine
5.15.17-1.1
libqt5-qtwebengine-devel
5.15.17-1.1
libqt5-qtwebengine-examples
5.15.17-1.1
libqt5-qtwebengine-private-headers-devel
5.15.17-1.1
libQt5Pdf5
5.15.17-1.1
libQt5PdfWidgets5
5.15.17-1.1
Edge Chromium
119.0.2151.97
nodejs-electron
27.1.3-1.1
nodejs-electron-devel
27.1.3-1.1
nodejs-electron-doc
27.1.3-1.1
opera
105.0.4970.34-lp154.2.65.1, 105.0.4970.34-lp155.3.24.1
qt5-qtwebengine
5.15.16-r2, 5.15.16-r3
qt6-qtwebengine
6.6.1-r1
ungoogled-chromium
119.0.6045.199-1.1
ungoogled-chromium-chromedriver
119.0.6045.199-1.1
Timeline
Added to Industry KEV feed
Sep 28, 2023
Publicly disclosed
Nov 29, 2023
Added to CISA KEV
Nov 30, 2023
Added to CIRCL KEV
Nov 30, 2023
Added to ENISA EUVD
Nov 30, 2023
Last updated
Aug 7, 2026
Weakness Type
- CWE-190 Integer Overflow or Wraparound
References
- advisoryVulnCheck exploitation report
- advisoryhttps://security.gentoo.org/glsa/202401-34
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2023-6345
- advisoryhttps://www.govcert.gov.hk/en/alerts_detail.php?id=1169
- advisoryhttps://www.securityweek.com/google-rushes-to-patch-new-zero-day-exploited-by-spyware-vendor/
FAQ
Common Questions.
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.
Affected: Chrome (Google) versions >= 119.0.6045.199; Edge Chromium (Microsoft); Debian Linux versions 11.0, 12.0, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 28, 2023.
Yes. It was added on Nov 30, 2023 with a federal remediation due date of Dec 21, 2023.
Public exploit code is available.
Fixed versions are available, including Chrome 119.0.6045.199, chromedriver 119.0.6045.199-1.1, chromedriver 119.0.6045.199-bp155.2.61.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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