CVE-2025-49177
Medium
Description
A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler does not validate the request length, allowing a client to read unintended memory from previous requests.
SeverityMedium
CVSS6.1
Exploit probability—
Product
X.org Xwayland
PublishedJun 17, 2025
First seenJun 17, 2025
Weakness typeCWE-200Sensitive information exposure
How to fix
Update
- X.Org xwayland24.1.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| X.Org xwayland | v < 24.1.7 | 24.1.7 |
| Red Hat Red Hat Enterprise Linux 10 | No range specified | — |
| enterprise_linux 9 | No range specified | — |
| rhel_eus 9.4 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 6 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 7 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 8 | No range specified | — |
| Red Hat Red Hat Enterprise Linux 9 | 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.