CVE-2025-62231
BaseFortify
Publication date: 2025-10-30
Last updated on: 2026-04-20
Assigner: Red Hat, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| debian | xorg_server | 2 |
| xorg | xwayland | * |
| xorg | xmayland | * |
| redhat | tigervnc | * |
| redhat | enterprise_linux | 9 |
| redhat | code_ready_linux_builder | * |
| redhat | enterprise_linux | 10 |
| xorg | x_server | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-190 | The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a flaw in the X.Org X server's X Keyboard (Xkb) extension, specifically in the XkbSetCompatMap() function. It involves improper bounds checking that can cause an unsigned short overflow. When an attacker sends specially crafted input data, this overflow can occur, potentially leading to memory corruption or a crash of the system.
How can this vulnerability impact me? :
The vulnerability can lead to memory corruption or cause the X.Org X server to crash. This can result in denial of service or instability in systems using the affected X server, potentially disrupting normal operations.