Out-of-bounds read in Google Chromium - CVE-2026-5282

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Main Vulnerability Database Vulnerabilities #VU124752

Out-of-bounds read in Google Chromium - CVE-2026-5282

Published: April 1, 2026


Vulnerability identifier: #VU124752
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-5282
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the WebCodecs component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and gain access to sensitive information.


Affected software

Google Chromium
Google Chrome
Debian Linux
Fedora
Chrome OS
cef
chromium
chromium (Debian package)

How to mitigate CVE-2026-5282

Install update from vendor's website.

Google Chromium - update to 146.0.7680.177
Google Chrome - update to 146.0.7680.177
Chrome OS - addressed in versions 138.0.7204.310, 144.0.7559.252
cef - addressed in versions 146.0.11^chromium146.0.7680.177-2.fc42, 146.0.11^chromium146.0.7680.177-2.fc43, 146.0.11^chromium146.0.7680.177-2.fc44
chromium - addressed in versions 146.0.7680.177-1.el9, 146.0.7680.177-1.el10_1, 146.0.7680.177-1.el10_2, 146.0.7680.177-1.el10_3, 146.0.7680.177-1.fc42, 146.0.7680.177-1.fc43, 146.0.7680.177-1.fc44, 147.0.7727.55-1.fc42, 147.0.7727.101-1.fc42
chromium (Debian package) - addressed in versions 146.0.7680.177-1~deb12u1, 146.0.7680.177-1~deb13u1

External References

Related Security Bulletins