CVE-2026-121044: Use after free in Layout

Published Oct 2, 2026
·
Updated

Use after free in Layout in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Credit

Xinyang Ge

Affected Software

6 affected componentsFixes available
Google Chrome<157.0.8103.38
157.0.8103.38
debian/chromium*
debian/chromium*
debian/chromium*
debian/chromium<=150.0.7871.100-1~deb12u1, <=156.0.8078.79-1~deb12u1, <=150.0.7871.181-1~deb13u1, <=156.0.8078.79-1~deb13u1, <=156.0.8078.47-1, <=156.0.8078.79-1
Google Chrome<157.0.8103.38

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 157.0.8103.38

Event History

Oct 2, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Nov 3, 2026
CVE Published
via MITRE·08:42 PM
Data Sourced
via MITRE·08:42 PM
DescriptionWeakness
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·09:17 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What must an attacker do to exploit this issue?

The attacker must induce a user to load a crafted HTML page. The attack is network-reachable, requires no privileges, and requires user interaction.

2

What is the impact if exploitation succeeds?

A remote attacker may execute arbitrary code inside the Chrome sandbox. The reported impact includes high confidentiality, integrity, and availability effects.

3

Which versions are known to be affected?

Google Chrome versions prior to 157.0.8103.38 are affected. The listed software also includes Debian Chromium, but the provided data does not identify affected or fixed Debian package versions.

Company

Resources

Contact

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