CVE-2020-7061

php: heap-based buffer overflow in phar_extract_file

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Severity

Low

Red Hat Product Security

9.1

CVSS 3.1

Review impact separately from score.

Published · January 26, 2020

Updated · November 21, 2025

Description

In PHP versions 7.3.x below 7.3.15 and 7.4.x below 7.4.3, while extracting PHAR files on Windows using phar extension, certain content inside PHAR file could lead to one-byte read past the allocated buffer. This could potentially lead to information disclosure or crash.

Statement

This flaw affects only PHP running on Windows operating system.

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 3.1 · 9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CWE-122 · Heap-based Buffer Overflow