CVE-2016-4541

PoC —

CVSS 3.0

9.8 critical

EPSS

6%p93

Published

May 22, 2016 (May 22, 2016)

Modified

Jun 17, 2026

Description

The grapheme_strpos function in ext/intl/grapheme/grapheme_string.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a negative offset.

Vendors: fedoraproject php opensuse
Products: fedora, php, leap
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (6.2%)

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