CVE-2023-0568

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.

Score

CVSS 3.1 8.1 High

Status

Modified - security@php.net

Published

2023-02-16

Last modified

2025-03-18

Weaknesses

CWE-131, CWE-770

Affected products

• Php (Php)
• Php (Php Group)

References

• https://bugs.php.net/bug.php?id=81746
• https://security.netapp.com/advisory/ntap-20230517-0001/