CVE-2026-88806

A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the keysymmap...

CVE-2026-88806

libX11 versions before 1.8.14 are vulnerable to a heap-based buffer overflow in the handling of the XkbGetMap reply, specifically overflowing the key_sym_map buffer. A malicious X server can trigger this, leading to potential compromise of confidentiality, integrity, and availability as rated by ...

CVE-2026-88806 libX11 XkbGetMap Reply Heap-based Buffer Overflow

A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the keysymmap...