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Vulnerability record · CVE-2020-7061 · published 27 February 2020

CVE-2020-7061: Php out-of-bounds read vulnerability

Php · Php

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.

9.1 CVSS 3.1 Critical EPSS 4.1% · top 9.7% CWE-125 · Out-of-bounds read
9.1CVSS 3.1 base score, v2 6.4
4.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugs.php.net/bug.php?id=79171 ExploitVendor Advisory
https://security.gentoo.org/glsa/202003-57 Third Party Advisory
https://www.tenable.com/security/tns-2021-14 PatchThird Party Advisory
https://bugs.php.net/bug.php?id=79171 ExploitVendor Advisory
https://security.gentoo.org/glsa/202003-57 Third Party Advisory
https://www.tenable.com/security/tns-2021-14 PatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-7061), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.