CVE-2026-50262
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 informati…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-50262?
- CVE-2026-50262 is a medium-severity vulnerability, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2026-06-05.
- How severe is CVE-2026-50262?
- Medium severity. CVSS v3 base score is 5.5 out of 10.