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CVE-2016-4344

php: Multiple heap overflows due to integer overflows

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Severity

Low

Red Hat Product Security

5.1

CVSS 2.0

Review impact separately from score.

Published · February 20, 2016

Updated · June 27, 2026

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 5.1
AV:N/AC:H/Au:N/C:P/I:P/A:P

CWE-190 · Integer Overflow or Wraparound