USN-8704-1 cpio vulnerabilities

It was discovered that cpio incorrectly sanitized hard-link targets when extracting tar archives in copy-in mode. If a user or automated system were tricked into extracting a specially crafted tar archive, an attacker could possibly use this issue to create hard links to files outside the...

OESA-2026-3540 cpio security update

GNU cpio copies files into or out of a cpio or tar archive. The archive can be another file on the disk, a magnetic tape, or a pipe. Security Fixes: GNU cpio is vulnerable to improper encoding or escaping of output in its archive member listing functionality. When listing archive members via cpio...

SUSE-SU-2026:23355-1 Security update for cpio

This update for cpio fixes the following issues: - CVE-2026-66484: improper sanitization in the tar archive extraction functionality allows for the creation of hard links outside intended directory via malicious tar archives bsc1274856. - CVE-2026-66485: improper memory management in the makepath...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: cpio (UTSA-2026-092966)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-092966 advisory. cpio 2.11, when using the --no-absolute-filenames option, allows local users to write to arbitrary files via a symlink attack on a file in an archive. Tenable has...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: cpio (UTSA-2026-092971)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-092971 advisory. The cpiosafernamesuffix function in util.c in cpio 2.11 allows remote attackers to cause a denial of service out-of-bounds write via a crafted cpio file. Tenable has...

Unity Linux 20.1050e / 20.1060e / 20.1070-8ae / 20.1070e Security Update: cpio (UTSA-2025-002289)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-002289 advisory. GNU cpio through 2.13 allows attackers to execute arbitrary code via a crafted pattern file, because of a dstring.c dsfgetstr integer overflow that triggers an...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: cpio (UTSA-2026-092976)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-092976 advisory. In all versions of cpio before 2.13 does not properly validate input files when generating TAR archives. When cpio is used to create TAR archives from paths an...

OPENSUSE-SU-2026:11618-1 cpio-2.15-8.1 on GA media

These are all security issues fixed in the cpio-2.15-8.1 package on the GA media of openSUSE Tumbleweed...

TencentOS Server 4: cpio (TSSA-2026:0856)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0856 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

OESA-2026-3456 cpio security update

GNU cpio copies files into or out of a cpio or tar archive. The archive can be another file on the disk, a magnetic tape, or a pipe. Security Fixes: GNU cpio contains a Path Traversal vulnerability in its tar archive extraction functionality. When extracting a tar archive in copy-in mode with the...

Low: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: cpio: cpio-2.15-10.1.hum1 aarch64, x8664 cpio-2.15-10.1.hum1.src src Security Fixes: cpio: CVE-2026-66484...

cpio: GNU cpio: Path Traversal allows creating hard links outside intended directory via malicious tar archives.

A flaw was found in GNU cpio. This vulnerability, known as Path Traversal, occurs during the extraction of tar archives in copy-in mode when the --no-absolute-filenames option is used. A remote attacker could craft a malicious tar archive containing a hard-link entry with an absolute path. This...

SUSE CVE-2026-66484

GNU cpio contains a Path Traversal vulnerability in its tar archive extraction functionality. When extracting a tar archive in copy-in mode with the --no-absolute-filenames option, the extracted file name is normalized but the tar hard-link target is passed to the linktoname function without...

SUSE CVE-2026-66485

GNU cpio is vulnerable to an uncontrolled memory allocation in the makepath function at src/makepath.c. The function uses alloca to allocate stack memory based on the length of argpath, which is derived from an archive-controlled pathname during extraction. A malicious cpio archive containing a...

SUSE CVE-2026-66486

GNU cpio is vulnerable to improper encoding or escaping of output in its archive member listing functionality. When listing archive members via cpio -it, member names are printed directly to output without quoting or escaping. An attacker can craft a cpio archive containing member names with...

CVE-2026-66486

A flaw was found in GNU cpio. This vulnerability occurs in the archive member listing functionality, where member names are printed directly without proper encoding or escaping. A remote attacker could craft a malicious cpio archive containing specially designed member names with embedded newline...

CVE-2026-66485

A flaw was found in GNU cpio. This vulnerability involves uncontrolled memory allocation when processing specially crafted cpio archives. A remote attacker could exploit this by providing a malicious archive, leading to a stack overflow and causing the cpio process to crash. This results in a...

CVE-2026-66484

A flaw was found in GNU cpio. This vulnerability, known as Path Traversal, occurs during the extraction of tar archives in copy-in mode when the --no-absolute-filenames option is used. A remote attacker could craft a malicious tar archive containing a hard-link entry with an absolute path. This...

DEBIAN-CVE-2026-66485

GNU cpio is vulnerable to an uncontrolled memory allocation in the makepath function at src/makepath.c. The function uses alloca to allocate stack memory based on the length of argpath, which is derived from an archive-controlled pathname during extraction. A malicious cpio archive containing a...

AZL-94689 CVE-2026-66486 affecting package cpio for versions less than 2.14-2

GNU cpio is vulnerable to improper encoding or escaping of output in its archive member listing functionality. When listing archive members via cpio -it, member names are printed directly to output without quoting or escaping. An attacker can craft a cpio archive containing member names with...