CVE-2026-56391

A flaw was found in GNU coreutils uniq. When processing specially crafted multibyte input with the --check-chars option, an attacker can trigger an out-of-bounds read. This vulnerability can lead to a denial of service DoS due to an application crash and potentially expose sensitive information...

Linux Distros Unpatched Vulnerability : CVE-2026-56391

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GNU coreutils uniq is vulnerable to an outofbounds read due to incorrect handling of multibyte input when the -w --check-chars option is used. The findfield...

CVE-2026-56391

GNU coreutils uniq is vulnerable to an out‑of‑bounds read due to incorrect handling of multibyte input when the -w --check-chars option is used. The findfield function miscalculates the byte length of characters by repeatedly processing a fixed pointer instead of advancing through the input,...