Amazon Linux 2023 — libX11 — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read • Source: Amazon Linux advisory ALAS2023-2023-383 Related CVEs: CVE-2023-43785 CVE-2023-43786 CVE-2023-43787 CVE-2023-3138 Upstream summary: libX11: out-of-bounds memory access in _XkbReadKeySyms() (CVE-2023-43785) A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() […]