Security Advisory

CVE-2020-7062

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2020-02-27 20:25:15

Last updated 2024-09-16 22:24:49

Assigner php

State PUBLISHED

Description

In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file upload fails, the upload procedure would try to clean up data that does not exist and encounter null pointer dereference, which would likely lead to a crash.

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