CVE Database›CVE-2019-9025

CVE-2019-9025

php: Negative size parameter in mb_split

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Severity

Moderate

Red Hat Product Security

7.3

CVSS 3.0

Review impact separately from score.

Published · February 22, 2019

Updated · November 22, 2025

Description

An issue was discovered in PHP 7.3.x before 7.3.1. An invalid multibyte string supplied as an argument to the mb_split() function in ext/mbstring/php_mbregex.c can cause PHP to execute memcpy() with a negative argument, which could read and write past buffers allocated for the data.

Statement

This ship only affects PHP 7.3 which is not currently shipped with any Red Hat Products.

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 · 7.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE not specified