CVE-2026-50262 | 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.
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.
- 🔗 access.redhat.com/errata/RHSA-2026:26562
- 🔗 access.redhat.com/errata/RHSA-2026:26566
- 🔗 access.redhat.com/errata/RHSA-2026:26590
- 🔗 access.redhat.com/errata/RHSA-2026:26610
- 🔗 access.redhat.com/errata/RHSA-2026:26709
- 🔗 access.redhat.com/errata/RHSA-2026:28923
- 🔗 access.redhat.com/errata/RHSA-2026:29844
- 🔗 access.redhat.com/errata/RHSA-2026:36083
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CVE-2026-50262 | 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.
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 informatio