CVE-2026-120931: Out of bounds write in WebGL

Published Aug 22, 2026
·
Updated

Out of bounds write in WebGL in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Credit

Google

Affected Software

7 affected componentsFixes available
Google Chrome<156.0.8078.47
156.0.8078.47
All of the following
Google Chrome<156.0.8078.47
Google Android
debian/chromium<156.0.8078.47-1~deb12u1
156.0.8078.47-1~deb12u1
debian/chromium<156.0.8078.47-1~deb13u1
156.0.8078.47-1~deb13u1
debian/chromium<156.0.8078.47-1
156.0.8078.47-1
debian/chromium<=150.0.7871.100-1~deb12u1, <=150.0.7871.181-1~deb13u1
156.0.8078.79-1~deb12u1156.0.8078.79-1~deb13u1156.0.8078.79-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47
  2. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47-1~deb12u1
  3. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47-1~deb13u1
  4. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.47-1
  5. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 156.0.8078.79-1~deb12u1Fixed in 156.0.8078.79-1~deb13u1Fixed in 156.0.8078.79-1

Event History

Aug 22, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Nov 3, 2026
CVE Published
via MITRE·09:20 PM
Data Sourced
via MITRE·09:20 PM
DescriptionWeakness
Data Sourced
via NVD·10:19 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·10:19 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which deployments are affected?

Google Chrome on Android is affected before version 156.0.8078.47. The provided information does not identify affected desktop platforms.

2

What does an attacker need to exploit this issue?

An attacker needs to induce a user to load a crafted HTML page. The issue can then allow arbitrary code execution outside the browser sandbox.

3

Is there a workaround if updating is delayed?

No workaround or mitigation is provided in the available information. Update Chrome on Android to version 156.0.8078.47 or later.

Company

Resources

Contact

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