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CVE-2020-7068

php: Use of freed hash key in the phar_parse_zipfile function

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Severity

Low

Red Hat Product Security

3.6

CVSS 3.1

Review impact separately from score.

Published · August 6, 2020

Updated · June 28, 2026

Description

In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure.

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 · 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L

CWE-416 · Use After Free