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6.3
CVE-2026-5273: Google Chrome Sandbox Bypass via Malicious HTML Page
CVE-2026-5273 · published 7 months ago
Summary
A bug in older versions of Google Chrome allowed hackers to potentially take control of a user's browser by sending a specially crafted HTML page. This could happen without the user's knowledge or interaction. Update to the latest version of Google Chrome to fix this issue.
What to do
- Update debian chromium to version 146.0.7680.177-1~deb12u1.
- Update debian chromium to version 146.0.7680.177-1~deb13u1.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Debian:11 | debian | chromium | All versions |
| Debian:12 | debian | chromium |
< 146.0.7680.177-1~deb12u1 Fix: upgrade to 146.0.7680.177-1~deb12u1
|
| Debian:13 | debian | chromium |
< 146.0.7680.177-1~deb13u1 Fix: upgrade to 146.0.7680.177-1~deb13u1
|
| Debian:14 | debian | chromium | All versions |
Original advisory text
Use after free in CSS in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Use after free in CSS in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Severity
6.3
Medium
Type
CWE-416Use After Free
Timeline
Published1 Apr 2026
Updated4 Nov 2026
First seen1 Apr 2026
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