Release Date: | 2023-10-25 |
A use-after-free flaw was found in xorg-x11-server-Xvfb. This issue occurs in Xvfb with a very specific and legacy configuration (a multi-screen setup with multiple protocol screens, also known as Zaphod mode). If the pointer is warped from a screen 1 to a screen 0, a use-after-free issue may be triggered during shutdown or reset of the Xvfb server, allowing for possible escalation of privileges or denial of service.
See more information about CVE-2023-5574 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
Base Score: | 7 | Base Metrics: | AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Access Vector: | Local network | Attack Complexity: | High |
Privileges Required: | Low | User Interaction: | None |
Scope: | Unchanged | Confidentiality Impact: | High |
Integrity Impact: | High | Availability Impact: | High |
Platform | Errata | Release Date |
Oracle Linux version 9 (tigervnc) | ELSA-2024-2298 | 2024-05-02 |
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