Summary
[1.8.12-1.1]
- CVE-2026-88806 libX11: libX11: Heap-based buffer overflow via malicious X server
X server
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 9 | libX11 | 0:1.8.12-1.el9_8.1 |
| Oracle Linux · 9 | libX11-common | 0:1.8.12-1.el9_8.1 |
| Oracle Linux · 9 | libX11-devel | 0:1.8.12-1.el9_8.1 |
| Oracle Linux · 9 | libX11-xcb | 0:1.8.12-1.el9_8.1 |
Vulnerabilities 1
-
High 7.5
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 key_sym_map.