CVE-2023-6478
HIGHCVSS 7.5/10EPSS 1.63%
Last modified
CVE-2023-6478 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.. EPSS estimates a 1.63% chance of exploitation in the next 30 days.
Description
A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| X.Org | X Server | < 21.1.10 |
| X.Org | Xwayland | < 23.2.3 |
| Redhat | Enterprise Linux Eus | 9.2 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Debian | Debian Linux | 12.0 |
| Tigervnc | Tigervnc | All versions |
References
- https://access.redhat.com/errata/RHSA-2023:7886Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-6478Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2253298Issue Tracking
- https://access.redhat.com/errata/RHSA-2023:7886Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-6478Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2253298Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-6478?
A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.
How severe is CVE-2023-6478?
CVE-2023-6478 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.63% probability of exploitation in the next 30 days.
How do I fix CVE-2023-6478?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2023-6478?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST