Description
Side-channel information leakage in Paint in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Published: 2026-06-30
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

A side‑channel information‑leak within the Paint component can expose cross‑origin data through a crafted HTML page, allowing a malicious site to read data from other browsing contexts without elevated privileges. The vulnerability is classified as CWE‑1300.

Affected Systems

All users running Google Chrome versions older than 150.0.7871.47 are affected.

Risk and Exploitability

The likely attack vector is a malicious web page that a user visits, which activates the vulnerable paint routine. The CVSS score of 6.5 places it in the medium‑severity band, while the EPSS score of less than 1% indicates a very low current exploitation probability. The vulnerability is not listed in the CISA KEV catalog.

Generated by OpenCVE AI on July 31, 2026 at 16:17 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Upgrade Chrome to at least version 150.0.7871.47 to apply the fix.
  • Enable Chrome’s Site Isolation to isolate each site into its own process and reduce the ability of a side‑channel to read data from other origins.
  • Avoid interacting with untrusted or suspicious web pages and consider limiting third‑party extensions that can inject malicious content.

Generated by OpenCVE AI on July 31, 2026 at 16:17 UTC.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DLA Debian DLA DLA-4672-1 chromium security update
Debian DSA Debian DSA DSA-6378-1 chromium security update
History

Fri, 31 Jul 2026 16:45:00 +0000

Type Values Removed Values Added
Title Chromium Paint Side‑Channel Leak

Sat, 25 Jul 2026 23:45:00 +0000

Type Values Removed Values Added
Title Side‑channel Paint Data Leakage via Crafted HTML Page in Google Chrome

Wed, 22 Jul 2026 16:00:00 +0000

Type Values Removed Values Added
Title Side‑channel Paint Data Leakage via Crafted HTML Page in Google Chrome

Thu, 16 Jul 2026 00:15:00 +0000

Type Values Removed Values Added
Title Chrome Paint Component Side‑Channel Data Leak

Sun, 12 Jul 2026 11:00:00 +0000

Type Values Removed Values Added
Title Chrome Paint Component Side‑Channel Data Leak

Sat, 11 Jul 2026 02:45:00 +0000

Type Values Removed Values Added
Title Chrome Paint Side‑Channel Leak Enables Cross‑Origin Data Retrieval

Fri, 10 Jul 2026 04:15:00 +0000

Type Values Removed Values Added
Title Chrome Paint Side‑Channel Leak Enables Cross‑Origin Data Retrieval

Thu, 09 Jul 2026 03:15:00 +0000

Type Values Removed Values Added
Title Chromium Paint Component Side‑Channel Leakage Enabling Cross‑Origin Data Exfiltration

Wed, 08 Jul 2026 08:30:00 +0000

Type Values Removed Values Added
Title Chromium Paint Component Side‑Channel Leakage Enabling Cross‑Origin Data Exfiltration

Tue, 07 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Title Side‑Channel Information Leakage in Chrome Paint Component

Mon, 06 Jul 2026 12:30:00 +0000

Type Values Removed Values Added
Title Side‑Channel Information Leakage in Chrome Paint Component

Sun, 05 Jul 2026 19:45:00 +0000

Type Values Removed Values Added
Title Side‑Channel Information Leakage in Chrome’s Paint Component

Sun, 05 Jul 2026 07:15:00 +0000

Type Values Removed Values Added
Title Side‑Channel Information Leakage in Chrome’s Paint Component

Sat, 04 Jul 2026 12:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Paint Component in Chrome

Fri, 03 Jul 2026 20:15:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Paint Component in Chrome

Fri, 03 Jul 2026 05:45:00 +0000

Type Values Removed Values Added
Title Chrome Paint Side-Channel Leak Enables Cross-Origin Data Exfiltration

Thu, 02 Jul 2026 11:45:00 +0000

Type Values Removed Values Added
Title Chrome Paint Side-Channel Leak Enables Cross-Origin Data Exfiltration

Thu, 02 Jul 2026 05:00:00 +0000

Type Values Removed Values Added
Title Side-Channel Information Leakage in Chrome Paint via Crafted Web Pages

Wed, 01 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-203

Wed, 01 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-203
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 01 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Title Side-Channel Information Leakage in Chrome Paint via Crafted Web Pages

Wed, 01 Jul 2026 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Wed, 01 Jul 2026 06:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leak via Paint Rendering Side‑Channel

Wed, 01 Jul 2026 01:45:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Data Leak via Paint Rendering Side‑Channel

Tue, 30 Jun 2026 23:15:00 +0000

Type Values Removed Values Added
Description Side-channel information leakage in Paint in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-1300
References

Subscriptions

Google Chrome
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-01T19:01:19.530Z

Reserved: 2026-06-29T23:03:52.858Z

Link: CVE-2026-13922

cve-icon Vulnrichment

Updated: 2026-07-01T17:37:46.530Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-31T16:30:17Z

Weaknesses
  • CWE-1300

    Improper Protection of Physical Side Channels