CVE-2026-93520: falha de alta gravidade em x.org xwayland
X.Org Server XKB ChangeKeycodeRange Heap Out-of-Bounds Write
Publicada em · Atualizada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.8epss 0.2%
A heap buffer overflow caused by mismatching size calculations between XkbAllocNames and ChangeKeycodeRange in X.org X server before 2.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVEs relacionadas — x.org xwayland
No mesmo produto, das mais perigosas para as menos.
CVE-2026-93523HIGHX.Org Server XInput2 PassiveUngrabDevice Out-of-Bounds WriteEPSS 0.2%CVE-2026-93522HIGHX.Org Server Glamor CopyArea Heap Buffer OverflowEPSS 0.2%CVE-2026-93521HIGHX.Org Server RandR ChangeProviderProperty Heap Buffer OverflowEPSS 0.2%CVE-2026-93519HIGHX.Org Server XFixes Pointer Barrier Event List Buffer OverflowEPSS 0.2%CVE-2026-93518HIGHX.Org Server XKB ResizeKeyType Numeric TruncationEPSS 0.2%CVE-2026-93515MEDIUM.Org Server Present Extension Use-After-FreeEPSS 0.2%