CVE-2025-14766 — Out-of-bounds Read in Google Chrome

CWE-125 — Out-of-bounds ReadCWE-787 — Out-of-bounds Write9 documents9 sources
Severity
8.8HIGHNVD
EPSS
0.1%
top 72.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Google ChromeChromium
Timeline
PublishedDec 16
Latest updateDec 17

Description

Out of bounds read and write in V8 in Google Chrome prior to 143.0.7499.147 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5google/chrome143.0.7499.147 — 143.0.7499.147
▶NVDgoogle/chrome< 143.0.7499.146
▶Debianchromium/chromium< 143.0.7499.169-1~deb12u1+2

🔴Vulnerability Details

3
GHSA
GHSA-r5qp-7h29-v42w: Out of bounds read and write in V8 in Google Chrome prior to 143↗2025-12-17
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CVEList
CVE-2025-14766: Out of bounds read and write in V8 in Google Chrome prior to 143↗2025-12-16
▶
OSV
CVE-2025-14766: Out of bounds read and write in V8 in Google Chrome prior to 143↗2025-12-16
▶

📋Vendor Advisories

4
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2025-14766↗2025-12-17
▶
Red Hat
chromium-browser: Google Chrome V8: Out-of-bounds read and write leads to heap corruption↗2025-12-16
▶
Microsoft
Chromium: CVE-2025-14766 Use after free in WebGPU↗2025-12-09
▶
Debian
CVE-2025-14766: chromium - Out of bounds read and write in V8 in Google Chrome prior to 143.0.7499.147 allo...↗2025
▶

🕵️Threat Intelligence

1
Wiz
CVE-2025-14766 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2025-14766 — Out-of-bounds Read in Google Chrome | cvebase