CVE-2023-5574
High
Description
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.
SeverityHigh
CVSS7.0
Exploit probability—
Product
X.org X Server
PublishedOct 25, 2023
First seenOct 25, 2023
Weakness typeCWE-416Use after free
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| x.org x_server | 1.13.0 ≤ v | — |
| redhat enterprise_linux | 7.0 | — |
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