CVE-2025-10890 — Improper Protection of Physical Side Channels in Google Chrome

CWE-1300 — Improper Protection of Physical Side Channels CWE-203 — Observable Discrepancy8 documents8 sources

Severity

9.1CRITICALNVD

EPSS

0.1%

top 83.36%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Google Chrome Chromium Paloalto Prisma Browser

Timeline

PublishedSep 24

Latest updateOct 8

Description

Side-channel information leakage in V8 in Google Chrome prior to 140.0.7339.207 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NExploitability: 3.9 | Impact: 5.2

Affected Packages4 packages

▶CVEListV5google/chrome140.0.7339.207 — 140.0.7339.207

▶NVDgoogle/chrome< 140.0.7339.207

▶Debianchromium/chromium< 140.0.7339.207-1~deb12u1+2

▶Palo Altopaloalto/prisma_browser

🔴Vulnerability Details

OSV

CVE-2025-10890: Side-channel information leakage in V8 in Google Chrome prior to 140↗2025-09-24

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CVEList

CVE-2025-10890: Side-channel information leakage in V8 in Google Chrome prior to 140↗2025-09-24

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GHSA

GHSA-95cp-mqgp-v35f: Side-channel information leakage in V8 in Google Chrome prior to 140↗2025-09-24

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📋Vendor Advisories

Palo Alto

PAN-SA-2025-0016 Chromium: Monthly Vulnerability Update (October 2025)↗2025-10-08

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Chrome

Stable Channel Update for Desktop: CVE-2025-10890↗2025-09-23

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Microsoft

Chromium: CVE-2025-10890 Side-channel information leakage in V8↗2025-09-09

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Debian

CVE-2025-10890: chromium - Side-channel information leakage in V8 in Google Chrome prior to 140.0.7339.207 ...↗2025

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