CVE-2015-6833

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-01-19 · updated 2026-06-17
Weakness: CWE-22

Description

Directory traversal vulnerability in the PharData class in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allows remote attackers to write to arbitrary files via a .. (dot dot) in a ZIP archive entry that is mishandled during an extractTo call.

Affected products

PHP: through 5.4.43; 5.5.0, 5.5.0-alpha1, 5.5.0-alpha2, 5.5.0-alpha3, 5.5.0-alpha4, 5.5.0-alpha5 (+51)

References

http://www.debian.org/security/2015/dsa-3344
http://www.openwall.com/lists/oss-security/2015/08/19/3
http://www.php.net/ChangeLog-5.php
https://bugs.php.net/bug.php?id=70019
https://security.gentoo.org/glsa/201606-10
http://www.debian.org/security/2015/dsa-3344
http://www.openwall.com/lists/oss-security/2015/08/19/3
http://www.php.net/ChangeLog-5.php
https://bugs.php.net/bug.php?id=70019
https://security.gentoo.org/glsa/201606-10

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