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Untriaged
Permalink CVE-2025-62231
7.3 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): Low (L)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Local (L)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): Low (L)
  • Modified Availability (MA): High (H)
created 6 months, 4 weeks ago Activity log
  • Created suggestion 6 months, 4 weeks ago
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
  • *

Matching in nixpkgs

pkgs.tigervnc

Fork of tightVNC, made in cooperation with VirtualGL