Out-of-bounds read in libjpeg-turbo - CVE-2021-37972

Vulnerability identifier: #VU56789

CSH Severity: Low

CVSS v4: 1.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-37972

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 when processing images within the libjpeg-turbo library. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

libjpeg-turbo
Gentoo Linux
Fedora
Google Chrome
Microsoft Edge
libjpeg-turbo
media-libs/libjpeg-turbo
qt5-qtwebengine
chromium
chromium (Debian package)

Install update from vendor's website.

libjpeg-turbo - update to 2.1.2
Google Chrome - update to 94.0.4606.54
Microsoft Edge - update to 94.0.992.31
libjpeg-turbo - addressed in versions 2.0.90-3.fc34, 2.1.0-3.fc35
media-libs/libjpeg-turbo - update to 2.1.1
qt5-qtwebengine - addressed in versions 5.15.8-2.fc34, 5.15.8-2.fc35
chromium - addressed in versions 94.0.4606.61-1.el8, 94.0.4606.61-1.fc33, 94.0.4606.61-1.fc34, 94.0.4606.61-1.fc35
chromium (Debian package) - update to 97.0.4692.71-0.1~deb11u1

• https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_21.html
• https://crbug.com/1234259
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37972

• Out-of-bounds read in libjpeg-turbo
• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Debian update for chromium
• Gentoo update for libjpeg-turbo
• Fedora 35 update for libjpeg-turbo
• Fedora 34 update for libjpeg-turbo
• Fedora EPEL 8 update for chromium
• Fedora 34 update for chromium
• Fedora 33 update for chromium
• Fedora 35 update for chromium
• Fedora 35 update for qt5-qtwebengine
• Fedora 34 update for qt5-qtwebengine