Use-after-free in Microsoft Edge - CVE-2023-29350

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Main Vulnerability Database Vulnerabilities #VU75771

Use-after-free in Microsoft Edge - CVE-2023-29350

Published: May 6, 2023


Vulnerability identifier: #VU75771
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-29350
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when handling HTML content. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Microsoft Edge
Gentoo Linux
www-client/microsoft-edge
www-client/chromium
www-client/chromium-bin
www-client/google-chrome

How to mitigate CVE-2023-29350

Install updates from vendor's website.

Microsoft Edge - addressed in versions 112.0.1722.71, 113.0.1774.35
www-client/microsoft-edge - update to 113.0.1774.50
www-client/chromium - update to 113.0.5672.126
www-client/chromium-bin - update to 113.0.5672.126
www-client/google-chrome - update to 113.0.5672.126

External References

Related Security Bulletins