Vulnerability in X.Org libXi

[ Description ]Official description

A buffer overflow when handling DEVICE_RESOLUTION in libXi before 1.8.4 could overflow a heap, triggered by a malicious X server.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund2 Nov 2026WID-SEC-2026-4292

  Red Hat Enterprise Linux (libXi, ghostscript): Multiple vulnerabilities Translated from German

  CVE-2026-109089CVE-2026-109090CVE-2026-112177

[ References ]References

• gitlab.freedesktop.org/xorg/lib/libxi/-/commit/f7836d0a0