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CVE-2026-50264

X.Org X server

Descrição

An out-of-bounds write flaw was found in the X.Org X server and Xwayland in DRIGetBuffers/DRIGetBuffersWithFormat. A client that requests multiple DRI2BufferBackLeft attachments and one DRI2BufferFrontLeft can trigger an out-of-bounds heap write. This may be used to crash the server, or for privilege escalation if the X server runs as root.

CVSS 7.8EPSS 0.148%Risco 0.79
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Publicação
2026-06-05 12:16:40
Versões afetadas
unknown
Tipo
Core software
Última alteração
2026-07-27 13:18:19
Vetor
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Sistemas operativos
Linux