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CVE-2015-4026

php: pcntl_exec() accepts paths with NUL character

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Severity

Low

Red Hat Product Security

4

CVSS 2.0

Review impact separately from score.

Published · May 14, 2015

Updated · June 28, 2026

Description

It was found that certain PHP functions did not properly handle file names containing a NULL character. A remote attacker could possibly use this flaw to make a PHP script access unexpected files and bypass intended file system access restrictions.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 4
AV:N/AC:H/Au:N/C:P/I:P/A:N

CWE-626 · Null Byte Interaction Error (Poison Null Byte)