CVE-2016-4073

php: mb_strcut() Negative size parameter in memcpy

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Severity

Moderate

Red Hat Product Security

4.5

CVSS 3.0

Review impact separately from score.

Published · March 26, 2016

Updated · June 28, 2026

Description

Multiple integer overflows in the mbfl_strcut function in ext/mbstring/libmbfl/mbfl/mbfilter.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted mb_strcut call.

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 3.0 · 4.5
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS 2.0 · 4.1
AV:L/AC:M/Au:S/C:P/I:P/A:P

CWE-190 · Integer Overflow or Wraparound