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CVE-2025-62231
7.3 HIGH
- CVSS version: 3.1
- Attack vector (AV): LOCAL
- Attack complexity (AC): LOW
- Privileges required (PR): LOW
- User interaction (UI): NONE
- Scope (S): UNCHANGED
- Confidentiality impact (C): HIGH
- Integrity impact (I): LOW
- Availability impact (A): HIGH
Xorg: xmayland: value overflow in xkbsetcompatmap()
A flaw was identified in the X.Org X server’s X Keyboard (Xkb) extension where improper bounds checking in the XkbSetCompatMap() function can cause an unsigned short overflow. If an attacker sends specially crafted input data, the value calculation may overflow, leading to memory corruption or a crash.
References
Affected products
tigervnc
- *
xwayland
- <24.1.9
xorg-x11-server
- *
xorg-x11-server-Xwayland
- *