Red Hat xorg-x11-server Stack Buffer Overflow & UAF Fix (CVE-2026-50256-50260)

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Security Advisory RHSA-2026:46385 High Red Hat

Affected:

Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
xorg-x11-server-xorg-x11-server-Xwayland

Referenced CVEs: CVE-2026-50263 · 5.5 CVE-2026-50262 · 5.5 CVE-2026-50264 · 7.8 CVE-2026-50261 · 7.8 CVE-2026-50260 · 7.8 CVE-2026-50258 · 7.8 CVE-2026-50259 · 7.8 CVE-2026-50256 · 7.8 CVE-2026-50257 · 7.8

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