cve.bz

CVE-2019-9025

9.8 criticalEPSS 3.1%

Critical (9.8). EPSS 3.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWEs
CWE-125, CWE-787
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON