CVE-2025-9478: Use after free in ANGLE

Published Aug 11, 2025
·
Updated

Chromium: CVE-2025-9478 Use after free in ANGLE

Other sources

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

— Microsoft

Use after free in ANGLE in Google Chrome prior to 139.0.7258.154 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

— MITRE

Credit

Google Big Sleep

Affected Software

10 affected componentsFixes available
Google Chrome<139.0.7258.154
139.0.7258.154
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<139.0.3405.125
All of the following
Google Chrome<139.0.7258.154
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows
debian/chromium
150.0.7871.100-1~deb12u1156.0.8078.73-1~deb12u1150.0.7871.181-1~deb13u1156.0.8078.73-1~deb13u1156.0.8078.47-1156.0.8078.73-1
debian/webkit2gtk<=2.50.6-1~deb12u2, <=2.50.6-1~deb12u1, <=2.52.6-1~deb13u1, <=2.52.6-1
2.54.0-1~deb13u32.54.2-2
debian/wpewebkit<=2.38.6-1, <=2.48.3-1
2.54.2-1

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 139.0.7258.154
  2. Upgrade

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

    Fixed in 150.0.7871.100-1~deb12u1Fixed in 156.0.8078.73-1~deb12u1Fixed in 150.0.7871.181-1~deb13u1Fixed in 156.0.8078.73-1~deb13u1Fixed in 156.0.8078.47-1Fixed in 156.0.8078.73-1
  3. Upgrade

    Upgrade debian/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.54.0-1~deb13u3Fixed in 2.54.2-2
  4. Upgrade

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

    Fixed in 2.54.2-1
  5. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 139.0.7258.154

Event History

Aug 11, 2025
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Aug 26, 2025
CVE Published
via MITRE·06:51 PM
Data Sourced
via MITRE·06:51 PM
DescriptionWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·07:15 PM
DescriptionSeverity
Aug 28, 2025
Data Sourced
via Microsoft·06:46 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2025-9478?

CVE-2025-9478 has a severity rating of Critical due to potential heap corruption exploitation.

2

How do I fix CVE-2025-9478?

To fix CVE-2025-9478, update Google Chrome to version 139.0.7258.154 or later.

3

What causes CVE-2025-9478 vulnerability?

CVE-2025-9478 is caused by a use after free issue in ANGLE within Google Chrome.

4

Can CVE-2025-9478 be exploited remotely?

Yes, CVE-2025-9478 can be exploited remotely via a crafted HTML page.

5

Which versions of Google Chrome are affected by CVE-2025-9478?

Google Chrome versions prior to 139.0.7258.154 are affected by CVE-2025-9478.

Company

Resources

Contact

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