# CVE-2025-9479: Out of bounds read in V8 in Google Chrome prior to 133.0.6943.141 allowed a remote attacker to potentially…

CVE-2025-9479 is fixed in 2 products on 2 platforms, first by DEBIAN-CVE-2025-9479, released November 14, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-9479
- Priority: Routine
- CVSS: 4.3 (medium)
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 14, 2025
- Weakness: CWE-125: Out of bounds read
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-9479

## Description

Out of bounds read in V8 in Google Chrome prior to 133.0.6943.141 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Google Chrome (EXE) | 144.0.7559.133 | [Google Chrome (EXE) 144.0.7559.133](https://patchblox.com/security/data/fix/windows-app/google.chrome.exe-144.0.7559.133.md) | Feb 3, 2026 |
| Linux | chromium Debian 12.15 (bookworm) | 134.0.6998.35-1~deb12u1 | [DEBIAN-CVE-2025-9479](https://patchblox.com/security/data/fix/linux/debian-cve-2025-9479.md) | Nov 14, 2025 |
| Linux | chromium Debian 13.5 (trixie) | 133.0.6943.141-1 | [DEBIAN-CVE-2025-9479](https://patchblox.com/security/data/fix/linux/debian-cve-2025-9479.md) | Nov 14, 2025 |
| Linux | chromium Debian 14 | 133.0.6943.141-1 | [DEBIAN-CVE-2025-9479](https://patchblox.com/security/data/fix/linux/debian-cve-2025-9479.md) | Nov 14, 2025 |

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Data as of 2026-11-08T06:59:42Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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