Use of uninitialized resource in Google Chromium - CVE-2026-10977

Vulnerability identifier: #VU134770

CSH Severity: High

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-10977

CWE-ID: CWE-908

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to usage of uninitialized resources in Skia in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger uninitialized usage of resources and compromise the affected system.

Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
Fedora
webkitgtk
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 149.0.7827.53
Microsoft Edge - update to 149.0.4022.52
Google Chrome - update to 149.0.7827.53
webkitgtk - addressed in versions 2.54.2-3.el10_3, 2.54.2-3.el10_4
chromium (Debian package) - addressed in versions 149.0.7827.53-1~deb12u1, 149.0.7827.53-1~deb13u1

• https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
• https://crbug.com/513340227

• Debian update for chromium
• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Fedora EPEL 10.4 update for webkitgtk
• Fedora EPEL 10.3 update for webkitgtk