CVE-2023-0568

HighCVSS 8.1/10Last modified Jun 17, 2026

Description

In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, core path resolution function allocate buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may lead to the byte after the allocated buffer being overwritten with NUL value, which might lead to unauthorized data access or modification.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-131CWE-770

Affected software

No affected versions have been published.

Timeline

Published
Feb 16, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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