# CVE-2021-23520: juce: The package juce-framework/juce before 6.1.5 are vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip)...

CVE-2021-23520 is fixed in juce on 1 platform, first by DEBIAN-CVE-2021-23520, released January 31, 2022. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2021-23520
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0109
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 31, 2022

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | juce Debian 12.15 (bookworm) | 6.1.5~ds0-1 | [DEBIAN-CVE-2021-23520](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23520.md) | Jan 31, 2022 |
| Linux | juce Debian 13.5 (trixie) | 6.1.5~ds0-1 | [DEBIAN-CVE-2021-23520](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23520.md) | Jan 31, 2022 |
| Linux | juce Debian 14 | 6.1.5~ds0-1 | [DEBIAN-CVE-2021-23520](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23520.md) | Jan 31, 2022 |

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