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...

coreutils: GNU coreutils uniq: Denial of Service and information disclosure via out-of-bounds read with multibyte input

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...

DEBIAN-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,...

CVE-2026-56391 Out‑of‑bounds Read in GNU coreutils

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,...

PT-2026-64259

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 find field function miscalculates the byte length of characters by repeatedly processing a fixed pointer instead of advancing through the input,...