Heap-based buffer overflow in Google Chromium - CVE-2024-7973

Vulnerability identifier: #VU96387

CSH Severity: Medium

CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-7973

CWE-ID: CWE-122

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in PDFium. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Google Chromium
Microsoft Edge
Google Chrome
Prisma Access Browser
Gentoo Linux
Debian Linux
dev-qt/qtwebengine
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 128.0.6613.84
Microsoft Edge - update to 128.0.2739.42
Google Chrome - update to 128.0.6613.84
dev-qt/qtwebengine - update to 103.0.5060.53
chromium (Debian package) - update to 128.0.6613.84-1~deb12u1
Prisma Access Browser - update to 128.138.2888.2

• https://chromereleases.googleblog.com/2024/08/stable-channel-update-for-desktop_21.html
• https://crbug.com/345518608

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Debian update for chromium
• Multiple vulnerabilities in Prisma Access Browser (September 2024)
• Gentoo update for QtWebEngine