CVE-2018-12015: Apple Mac OS X

High severity, CVSS 7.5. EPSS: 7.3% chance of exploitation in the next 30 days.

In Perl through 5.26.2, the Archive::Tar module allows remote attackers to bypass a directory-traversal protection mechanism, and overwrite arbitrary files, via an archive file containing a symlink and a regular file with the same name.

Affected products

• Apple Mac OS X: before 10.14.4 (fixed in 10.14.4)
• Archive::tar Project Archive::tar: up to and including 2.28
• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 16.04 only; version 17.10 only; version 18.04 only
• Debian Debian Linux: version 8.0 only; version 9.0 only
• Netapp Data Ontap Edge: affected versions not specified
• Netapp Oncommand Workflow Automation: affected versions not specified
• Netapp Snap Creator Framework: affected versions not specified
• Netapp Snapdrive: affected versions not specified
• Perl Perl: up to and including 5.26.2

Published 2018-06-07. Last modified 2026-06-17.