The phar_parse_metadata function in ext/phar/phar.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to cause a denial of service (heap metadata corruption) or possibly have unspecified other impact via a crafted tar archive.
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- https://bugs.php.net/bug.php?id=69443
- https://hackerone.com/reports/104026
No PoCs found on GitHub currently.