CVE-2022-31628

php: phar: infinite loop when decompressing quine gzip file

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Severity

Low

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · September 29, 2022

Updated · November 22, 2025

Description

A vulnerability was found in PHP due to an infinite loop within the phar uncompressor code when processing "quines" gzip files. This vulnerability allows a remote attacker to pass a specially crafted archive to the application, and consume all available system resources, causing a denial of service condition.

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 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-674 · Uncontrolled Recursion