CVE-2019-9025

php: Negative size parameter in mb_split

Published Feb 22, 2019 CVSS 3.0 · 9.8 Critical EPSS 3.1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2019-18412 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 9:38 PM
Reserved
Feb 22, 2019, 12:00 AM
Status
Modified
Published
Feb 22, 2019, 11:29 PM
Modified
Jun 17, 2026, 2:42 AM
Severity
Moderate
Public date
Feb 22, 2019, 12:00 AM