---
id: CVE-2026-79221
title: >-
  chromium-browser: chromium-browser: Uninitialized resource in Dawn
  (CVE-2026-79221)
summary: >-
  An uninitialized resource flaw was found in the Dawn component of the Chromium
  browser.


  Upstream bug(s):


  https://code.google.com/p/chromium/issues/detail?id=532923954
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'
cvssSource: vendor
cwe:
  - CWE-908
vendor: Red Hat
product: Chrome
affected:
  - Chrome >= 152.0.7977.65 < 152.0.7977.65
published: '2026-08-25'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T10:34:48+00:00'
source: CSAF
sourceUrl: 'https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79221.json'
references:
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79221.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-79221'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-79221'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-79221'
  - url: >-
      https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html
  - url: 'https://issues.chromium.org/issues/532923954'
tags:
  - csaf
  - vex
  - red-hat
  - cve.org
epss: 0.00238
epssPercentile: 0.14795
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-08-28T17:56:33.218482Z'
ingestedAt: '2026-09-17T19:26:25.330Z'
---

## Overview

An uninitialized resource flaw was found in the Dawn component of the Chromium browser.

Upstream bug(s):

https://code.google.com/p/chromium/issues/detail?id=532923954

## Vendor advisories

- **Red Hat VEX** · updated 2026-09-25 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79221.json)

**chromium-browser: chromium-browser: Uninitialized resource in Dawn**. Released 2026-08-25, updated 2026-09-25.

Not affected:

- All currently supported Red Hat products

## Remediation

Refer to the advisory for fix availability.