CVE-2026-34000 | BDVDB-2026-330508 Detail

Description#

A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the `CheckSetGeom()` and `XkbAddGeomKeyAlias` functions, allows an attacker to read uninitialized or out-of-bounds memory. An attacker with a connection to the X11 server, either locally or remotely, can exploit this without user interaction. This could lead to the disclosure of memory contents or cause a denial of service by crashing the server.

Impact#

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Exploit#

History#

1. Version 12026-05-05Record published in the CVE List.
2. Version 22026-11-05Most recent update recorded in the CVE List.