Red Hat RHSA-2026:36634: Xwayland Stack Overflow/UAF Vulnerabilities Fix

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Security Advisory RHSA-2026:36634 High Red Hat

Affected:

Red Hat Enterprise Linux 9.6 Extended Update Support 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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