Red Hat RHSA-2026:46460: Xwayland Stack Buffer Overflow and UAF Fixes

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Security Advisory RHSA-2026:46460 High Red Hat

Affected:

Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
xorg-x11-server

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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