CVSS 3.1 Score 7.0 of 10 (high)


Published Oct 25, 2023
Updated: Dec 20, 2023
CWE ID 416


CVE-2023-5574 is a use-after-free vulnerability found in xorg-x11-server-Xvfb. Specifically, this vulnerability affects Xvfb with a specific configuration called Zaphod mode, which involves a multi-screen setup with multiple protocol screens. Exploiting this flaw could lead to privilege escalation or denial of service by triggering a use-after-free issue during shutdown or reset of the Xvfb server. Various products are affected by this vulnerability, including gec3t9, dCiVOI, dCiVOH, ihNvs0, fB1Dlf, and many more. The risk score for this vulnerability is 28 out of 100, indicating a high level of risk. To remediate the issue, it is recommended to update the xorg-x11-server-Xvfb package to the latest version available.

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