Critical severity9.8NVD Advisory· Published May 22, 2016· Updated Jun 17, 2026

CVE-2016-4344

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

PHP/PHP2 versions
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*range: >=7.0.0,<7.0.4
- (no CPE)range: <7.0.4

Patches

Vulnerability mechanics

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	0.004
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000