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OESA-2026-4249 libX11 security update

🗓️ 16 Oct 2026 11:58:35Reported by GoogleType 
osv_oesa
 osv_oesa
🔗 osv.dev👁 5 Views

Buffer overflow and out-of-bounds reads in libX11 allow malicious X servers to crash clients.

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16 Oct 2026 12:15Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17.5
EPSS0.00213
5