CVE-2021-23520: Juce

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

The package juce-framework/juce before 6.1.5 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip) via the ZipFile::uncompressEntry function in juce_ZipFile.cpp. This vulnerability is triggered when the archive is extracted upon calling uncompressTo() on a ZipFile object.

Affected products

• Juce Juce: before 6.1.5 (fixed in 6.1.5)

Published 2022-01-31. Last modified 2026-06-17.