CVE-2023-5574
Last modified
CVE-2023-5574 is a high-severity vulnerability rated 7/10 on the CVSS scale. 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). EPSS estimates a 0.54% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| X.Org | X Server | >= 1.13.0 |
| Redhat | Enterprise Linux | 7.0 |
References
- https://access.redhat.com/security/cve/CVE-2023-5574Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2244735Issue Tracking, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2023-October/003430.htmlPatch, Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-5574Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2244735Issue Tracking, Third Party Advisory
- https://lists.x.org/archives/xorg-announce/2023-October/003430.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-5574?
How severe is CVE-2023-5574?
How do I fix CVE-2023-5574?
Are you affected by CVE-2023-5574?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST