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PRIOn knowledge basePRION:CVE-2023-5574HistoryOct 25, 2023 - 8:15 p.m.
Double free
2023-10-2520:15:00
PRIOn knowledge base
www.prio-n.com
3
vulnerable application
use-after-free
xvfb server
specific configuration
zaphod mode
privilege escalation
denial of service
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| enterprise_linux | eq | 7.0 | |
| x_server | ge | 1.13.0 |
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