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...

UBUNTU-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,...

Linux Distros Unpatched Vulnerability : CVE-2026-56392

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop -t value...

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-2026-56392

A flaw was found in GNU coreutils, specifically in the unexpand utility. This vulnerability, a heap-based buffer overflow, occurs due to an integer overflow when unexpand processes unusually large tab stop values provided by a local attacker. This can lead to an undersized memory buffer, allowing...

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

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-2026-56392

GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop -t values. The multiplication used to calculate the allocation size can wrap around, resulting in an undersized buffer. When processing crafted...

CVE-2026-56392

GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop -t values. The multiplication used to calculate the allocation size can wrap around, resulting in an undersized buffer. When processing crafted...

CVE-2026-56392 Heap-based Buffer Overflow in GNU coreutils

GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop -t values. The multiplication used to calculate the allocation size can wrap around, resulting in an undersized buffer. When processing crafted...

CVE-2026-56392 Heap-based Buffer Overflow in GNU coreutils

GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop -t values. The multiplication used to calculate the allocation size can wrap around, resulting in an undersized buffer. When processing crafted...

EUVD-2026-48525

GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop -t values. The multiplication used to calculate the allocation size can wrap around, resulting in an undersized buffer. When processing crafted...

CVE-2026-56392

The CVE describes a heap-based buffer overflow in GNU coreutils unexpand. The root cause is an integer overflow during buffer allocation when processing large tab stop (-t) values, where multiplication for the allocation size can wrap, producing an undersized buffer. As a result, subsequent write...

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

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

The CVE-2026-56391 issue affects GNU coreutils, specifically the uniq utility, where out-of-bounds reads can occur when processing multibyte input with -w/--check-chars. The root cause is in find_field(), which fails to advance the input pointer correctly, inflating the computed length and causin...

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,...

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,...

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,...

EUVD-2026-48524

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,...