MiracleLinux 9 : coreutils-8.32-41.el9_8.1 (AXSA:2026-1880:05)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1880:05 advisory. coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values CVE-2026-56392 Tenable has extracted the preceding description block directl...

coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values

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...

RLSA-2026:66403 Moderate: coreutils security update

The coreutils packages contain the GNU Core Utilities and represent a combination of the previously used GNU fileutils, sh-utils, and textutils packages. Security Fixes: coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values CVE-2026-56392 For more details about the...

AlmaLinux 9 : coreutils (ALSA-2026:66403)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:66403 advisory. coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values CVE-2026-56392 Tenable has extracted the preceding description block directly fro...

RockyLinux 9 : coreutils (RLSA-2026:66403)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:66403 advisory. coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values CVE-2026-56392 Tenable has extracted the preceding description block directly fr...

coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values

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...

Moderate: coreutils security update

The coreutils packages contain the GNU Core Utilities and represent a combination of the previously used GNU fileutils, sh-utils, and textutils packages. Security Fixes: coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values CVE-2026-56392 For more details about the...

RHEL 9 : coreutils (RHSA-2026:66403)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:66403 advisory. The coreutils packages contain the GNU Core Utilities and represent a combination of the previously used GNU fileutils, sh-utils, and textutils...

ALSA-2026:66403 Moderate: coreutils security update

The coreutils packages contain the GNU Core Utilities and represent a combination of the previously used GNU fileutils, sh-utils, and textutils packages. Security Fixes: coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values CVE-2026-56392 For more details about the...

Unity Linux 20.1070a Security Update: coreutils (UTSA-2026-104994)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104994 advisory. 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. Th...

Alibaba Cloud Linux 3 : 0241: coreutils (ALINUX3-SA-2026:0241)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2026:0241 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-56392: GNU coreutils unexpand is vulnerabl...

JLSEC-2026-1196 GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow...

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...

TencentOS Server 3: coreutils bug fix and enhancement update (Moderate) (TSSA-2026:0812)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0812 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values

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...

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...

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

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...

coreutils: GNU coreutils unexpand: Denial of Service via crafted tab stop values

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...