CVE-2026-50262 | BDVDB-2026-338317 Detail

Description#

An out-of-bounds read flaw was found in the X.Org X server and Xwayland in __glXDisp_ChangeDrawableAttributes(). A wrong size validation check can read a client-controlled number of bytes, exceeding the request buffer, leading to information disclosure. A write path also exists but requires byte-swapped clients which is disabled by default.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12026-06-05Record published in the CVE List.
2. Version 22026-11-05Most recent update recorded in the CVE List.