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Security releases

X.org

CVE-2026-88812: A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially

CVE-2026-88812 Oct 27, 2026 Source: Vendor

A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context.

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-88812
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Credited

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CVE-2026-88812 BR2026-0000-034468 unclaimed
Credited as Anonymous with TrendAI Zero Day Initiative