Out-of-bounds read in Google Chromium - CVE-2024-7255

Vulnerability identifier: #VU94920

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-7255

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to a boundary condition within the WebTransport 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.

Google Chromium
Microsoft Edge
Google Chrome
Prisma Access Browser
Debian Linux
Fedora
chromium (Debian package)
chromium

Install update from vendor's website.

Google Chromium - update to 127.0.6533.88
Microsoft Edge - update to 127.0.2651.86
Google Chrome - update to 127.0.6533.88
chromium (Debian package) - update to 127.0.6533.88-1~deb12u1
chromium - addressed in versions 127.0.6533.88-2.el8, 127.0.6533.88-2.el9, 127.0.6533.88-2.fc39, 127.0.6533.88-2.fc40
Prisma Access Browser - update to 127.100.2858.4

• https://chromereleases.googleblog.com/2024/07/stable-channel-update-for-desktop_30.html
• https://crbug.com/352872238

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Fedora 39 update for chromium
• Fedora 40 update for chromium
• Fedora EPEL 8 update for chromium
• Fedora EPEL 9 update for chromium
• Multiple vulnerabilities in Prisma Access Browser (August 2024)