CVE-2025-9479 — Out-of-bounds Read in Google Chrome

CWE-125 — Out-of-bounds ReadCWE-131 — Incorrect Calculation of Buffer Size8 documents7 sources
Severity
4.3MEDIUMNVD
EPSS
0.1%
top 77.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Google ChromeChromium
Timeline
PublishedNov 14

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)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LExploitability: 2.8 | Impact: 1.4

Affected Packages3 packages

▶CVEListV5google/chrome133.0.6943.141 — 133.0.6943.141
▶NVDgoogle/chrome< 133.0.6943.141
▶Debianchromium/chromium< 134.0.6998.35-1~deb12u1+2

🔴Vulnerability Details

3
OSV
CVE-2025-9479: Out of bounds read in V8 in Google Chrome prior to 133↗2025-11-14
▶
GHSA
GHSA-qx5q-4m37-mp7p: Out of bounds read in V8 in Google Chrome prior to 133↗2025-11-14
▶
CVEList
CVE-2025-9479: Out of bounds read in V8 in Google Chrome prior to 133↗2025-11-14
▶

📋Vendor Advisories

4
Red Hat
chromium-browser: Out of bounds read in V8↗2025-11-14
▶
Red Hat
kernel: bpf: fix ktls panic with sockmap↗2025-07-03
▶
Chrome
Stable Channel Update for Desktop: CVE-2025-9479↗2025-02-25
▶
Debian
CVE-2025-9479: chromium - Out of bounds read in V8 in Google Chrome prior to 133.0.6943.141 allowed a remo...↗2025
▶
CVE-2025-9479 — Out-of-bounds Read in Google Chrome | cvebase