x.org libX11

4 known vulnerabilities in x.org libX11, with patch priority, exploit likelihood and the news covering them.

Latest vulnerabilities

  • CVE-2026-94285 CVSS 5.1 medium An out-of-bounds read in libX11's byte-oriented codeset parser in libX11 before 1.8.14 could be used by malicious X servers to crash…
  • CVE-2026-94284 CVSS 5.5 medium An out-of-bounds read vulnerability in libX11's XIM trigger-key registration parser in libX11 before 1.8.14 could be used by malicious X…
  • CVE-2026-94283 CVSS 6.5 medium An out-of-bounds read vulnerability in libX11's XIM (X Input Method) attribute parser in libX11 before 1.8.14 could be used by malicious X…
  • CVE-2026-88806 CVSS 7.5 high A malicious X server could exploit a buffer overflow in libX11 before 1.8.14 during handling of XkbGetMap overflowing the key_sym_map.