CVE-2023-6478
High
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.
SeverityHigh
CVSS7.6
Exploit probability—
Product
X.org X Server
PublishedDec 13, 2023
First seenDec 13, 2023
Weakness typeCWE-190Integer overflow
How to fix
Update
- x.org x_server21.1.10 or later
- x.org xwayland23.2.3 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2023:7886
- access.redhat.com/security/cve/CVE-2023-6478
- lists.x.org/archives/xorg-announce/2023-December/003435.html
- access.redhat.com/errata/RHSA-2024:0006
- access.redhat.com/errata/RHSA-2024:0009
- access.redhat.com/errata/RHSA-2024:0010
- access.redhat.com/errata/RHSA-2024:0014
- access.redhat.com/errata/RHSA-2024:0015
- access.redhat.com/errata/RHSA-2024:0016
- access.redhat.com/errata/RHSA-2024:0017
- access.redhat.com/errata/RHSA-2024:0018
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| x.org x_server | v < 21.1.10 | 21.1.10 |
| x.org xwayland | v < 23.2.3 | 23.2.3 |
| redhat enterprise_linux_eus | 9.2 | — |
| debian debian_linux | 10.0, 11.0, 12.0 | — |
| tigervnc tigervnc | No range specified | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.