# CVE-2023-6345: Chromium: CVE-2023-6345 Integer overflow in Skia

CVE-2023-6345 is fixed in 4 products on 2 platforms, first by Microsoft Edge 119.0.2151.97, released November 29, 2023. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on November 30, 2023. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2023-6345
- Priority: Patch now
- CVSS: 9.6 (critical)
- EPSS: 0.1647
- CISA KEV: listed Nov 30, 2023, federal due date Dec 21, 2023
- Exploited (vendor report): yes
- Publicly disclosed: no
- Published: Nov 29, 2023
- Weakness: CWE-190: Integer Overflow or Wraparound
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-6345

## Description

<p>This CVE was assigned by Chrome.  Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/2023">Google Chrome Releases</a> for more information. Google is aware that an exploit for CVE-2023-6345 exists in the wild.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Microsoft Edge | 119.0.2151.97 | [Microsoft Edge 119.0.2151.97](https://patchblox.com/security/data/fix/windows-app/microsoft.edge-119.0.2151.97.md) | Nov 29, 2023 |
| Windows apps | Microsoft Edge Beta | 127.0.2651.8 | [Microsoft Edge Beta 127.0.2651.8](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.beta-127.0.2651.8.md) | Jun 21, 2024 |
| Windows apps | Microsoft Edge Dev | 127.0.2651.8 | [Microsoft Edge Dev 127.0.2651.8](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.dev-127.0.2651.8.md) | Jun 21, 2024 |
| Linux | chromium Debian 11.6 (bullseye) | 119.0.6045.199-1~deb11u1 | [DSA-5569-1](https://patchblox.com/security/data/fix/linux/dsa-5569-1.md) | Nov 30, 2023 |
| Linux | chromium Debian 12.15 (bookworm) | 119.0.6045.199-1~deb12u1 | [DSA-5569-1](https://patchblox.com/security/data/fix/linux/dsa-5569-1.md) | Nov 30, 2023 |
| Linux | chromium Debian 13.5 (trixie) | 119.0.6045.199-1 | [DEBIAN-CVE-2023-6345](https://patchblox.com/security/data/fix/linux/debian-cve-2023-6345.md) | Nov 29, 2023 |
| Linux | chromium Debian 14 | 119.0.6045.199-1 | [DEBIAN-CVE-2023-6345](https://patchblox.com/security/data/fix/linux/debian-cve-2023-6345.md) | Nov 29, 2023 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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