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Ubuntu EUVDEUVD-2026-13468

| CVE-2026-4451 HIGH
Improper Input Validation (CWE-20)
2026-03-20 chrome-cve-admin@google.com
8.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
qualitative
SUSE
HIGH
qualitative
Red Hat
8.2 HIGH
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Patch released
Mar 20, 2026 - 08:46 nvd
Patch available
EUVD ID Assigned
Mar 20, 2026 - 08:37 euvd
EUVD-2026-13468
Analysis Generated
Mar 20, 2026 - 08:37 vuln.today
CVE Published
Mar 20, 2026 - 02:16 nvd
HIGH 8.8

DescriptionCVE.org

Insufficient validation of untrusted input in Navigation in Google Chrome prior to 146.0.7680.153 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

A renderer process sandbox escape vulnerability exists in Google Chrome prior to version 146.0.7680.153 due to insufficient input validation in the Navigation component. An attacker who has already compromised the renderer process can exploit this via a crafted HTML page to escape the sandbox and gain elevated privileges on the host system. A patch is available from Google, and the vulnerability is tracked in the EUVD database with High severity classification.

Technical ContextAI

This vulnerability resides in Chrome's Navigation subsystem, which handles URL parsing, page transitions, and cross-origin communication. The root cause is classified as CWE-20 (Improper Input Validation), indicating that untrusted input from a malicious HTML page is not adequately sanitized before being processed by navigation logic. The Navigation component operates at the boundary between the sandboxed renderer process and the browser kernel process; insufficient validation allows an attacker to craft malicious HTML that bypasses security checks meant to enforce process isolation. While CVSS vector details are unavailable, the attack is classified as High severity by Chromium security engineering, suggesting non-trivial complexity but significant impact potential. The vulnerability affects Chrome versions up to and including 146.0.7680.153, with the fix available in the stable channel release dated March 2026.

RemediationAI

Upgrade Google Chrome to version 146.0.7680.153 or later immediately. Chrome's auto-update feature will deploy this patch automatically to most users; administrators managing Chrome via policy can force updates using the ChromeVersion policy or enterprise deployment tools. For Debian-based systems, update the chromium or chromium-browser package via apt-get update && apt-get upgrade. No workarounds are available for this vulnerability since it affects core sandbox isolation; patching is the only mitigation. Enterprise users should verify deployment of version 146.0.7680.153 or later across all managed Chrome instances. Consult the vendor advisory at https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html for release notes and https://issues.chromium.org/issues/487768779 for technical context.

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Vendor StatusVendor

Ubuntu

Priority: Medium
chromium-browser
Release Status Version
jammy not-affected code not present
noble not-affected code not present
questing not-affected code not present
upstream released -

Debian

chromium
Release Status Fixed Version Urgency
bullseye (security), bullseye vulnerable 120.0.6099.224-1~deb11u1 -
bookworm fixed 146.0.7680.153-1~deb12u1 -
bookworm (security) fixed 146.0.7680.153-1~deb12u1 -
trixie fixed 146.0.7680.153-1~deb13u1 -
trixie (security) fixed 146.0.7680.153-1~deb13u1 -
forky vulnerable 146.0.7680.80-1 -
sid fixed 146.0.7680.153-1 -
bullseye fixed (unfixed) end-of-life
(unstable) fixed 146.0.7680.153-1 -

SUSE

Severity: High
Product Status
SUSE Package Hub 15 SP6 Fixed
openSUSE Leap 15.6 Fixed
openSUSE Leap 16.0 Fixed
openSUSE Tumbleweed Fixed
SUSE Package Hub 15 SP6 Fixed

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EUVD-2026-13468 vulnerability details – vuln.today

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