CVE-2026-4360

Summary of CVE-2026-4360 (mode C) The issue concerns Python’s tarfile TarFile.extract() where the filter parameter is not correctly applied when extracting hardlinks. The vulnerability can allow an affected system that processes tar files from untrusted sources to write files with an unexpected u...

CVE-2026-4360 Tarfile.extract() doesn't fully respect filter parameter

In the Tarfile.extract function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract function...

PSF-2026-32

In the Tarfile.extract function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract function...

CVE-2026-4360 Tarfile.extract() doesn't fully respect filter parameter

In the Tarfile.extract function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract function...

EUVD-2026-40336

In the Tarfile.extract function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract function...

CVE-2026-4360

In the Tarfile.extract function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract function...

PT-2026-53894

Name of the Vulnerable Software and Affected Versions Python affected versions not specified Description In the extract function of the Tarfile module, the filter parameter is not correctly handled when extracting hardlinks. This issue allows a system extracting content from untrusted tar files t...

perl-Archive-Tar security update

2.38-6.1 - Fix CVE-2026-42496: validate symlink and hardlink targets in secure extract mode - Resolves: RHEL-181662...

CVE-2026-11940 tarfile extraction filter bypass allows escaping the destination directory

tarfile.extractall with the 'data' or 'tar' filter could be bypassed by a crafted archive where a hardlink references a symlink stored at a deeper name than the hardlink itself. The extraction fallback validated the symlink at it's archived location but recreated it at the hardlink's shallower...

Siemens RUGGEDCOM RST2428P External Control of File Name or Path (CVE-2026-26158)

A flaw was found in BusyBox. This vulnerability allows an attacker to modify files outside of the intended extraction directory by crafting a malicious tar archive containing unvalidated hardlink or symlink entries. If the tar archive is extracted with elevated privileges, this flaw can lead to...

Linux Distros Unpatched Vulnerability : CVE-2026-42497

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory. makespecialfile passes the tar...

CVE-2026-42497

Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory. makespecialfile passes the tar header's linkname to link without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode...

DEBIAN-CVE-2026-42497

Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory. makespecialfile passes the tar header's linkname to link without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode...

UBUNTU-CVE-2026-42497

Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory. makespecialfile passes the tar header's linkname to link without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode...

CVE-2026-42497 Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory

Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory. makespecialfile passes the tar header's linkname to link without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode...

CVE-2026-42497 Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory

Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory. makespecialfile passes the tar header's linkname to link without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode...

EUVD-2026-31777

Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory. makespecialfile passes the tar header's linkname to link without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode...

CVE-2026-42497 Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory

Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory. makespecialfile passes the tar header's linkname to link without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode...

CVE-2026-42497

Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory. makespecialfile passes the tar header's linkname to link without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode...

PT-2026-43163

Name of the Vulnerable Software and Affected Versions Archive::Tar versions prior to 3.08 Description Archive::Tar for Perl allows the extraction of hardlinks to attacker-controlled paths outside the intended extraction directory. The function make special file passes the tar header's linkname to...