Critical severity9.8NVD Advisory· Published May 22, 2016· Updated May 6, 2026

CVE-2016-4345

Description

Integer overflow in the php_filter_encode_url function in ext/filter/sanitizing_filters.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 string, leading to a heap-based buffer overflow.

Affected products

PHP/PHP
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Range: >=7.0.0,<7.0.4

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

bugs.php.net/bug.phpnvdExploitIssue TrackingPatchVendor Advisory
php.net/ChangeLog-7.phpnvdRelease NotesVendor Advisory
www.openwall.com/lists/oss-security/2016/04/28/2nvdMailing ListThird Party Advisory

News mentions

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cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000