libX11 vulnerabilities

CVEs whose affected-version data names the libX11 package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.

1 CVERSS

CVE-2026-88806High· 7.5

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.

▾ Twilightx.org · libX11EPSS 0.34%via NVD

libX11 vulnerabilities (CVEs) · VulnSea