CVE-2016-4344
CRITICAL
9.8
CVSS 3.1
Description
Integer overflow in the xml_utf8_encode function in ext/xml/xml.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long argument to the utf8_encode function, leading to a heap-based buffer overflow.
Affected products and versions
- PHP — From 7.0.0 (including) to 7.0.4 (excluding)
References
- php.net http://php.net/ChangeLog-7.php Release Notes, Vendor Advisory
- www.openwall.com http://www.openwall.com/lists/oss-security/2016/04/28/2 Mailing List, Third Party Advisory
- bugs.php.net https://bugs.php.net/bug.php?id=71637 Exploit, Issue Tracking, Patch, Vendor Advisory
- nvd.nist.gov Official NVD record