CVE-2026-88806
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Sep 21, 2026
Vendor
unknown
Description
A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the key_sym_map.
A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the key_sym_map.