# CVE-2022-47111: p7zip: 7-Zip 22.01 does not report an error for certain invalid xz files, involving block flags and reserved bits

CVE-2022-47111 is fixed in p7zip on 1 platform by DEBIAN-CVE-2022-47111 (version 16.02+transitional.1), released April 19, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-47111
- Priority: Routine
- CVSS: 3.3 (low)
- EPSS: 0.0024
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 19, 2025

## Description

7-Zip 22.01 does not report an error for certain invalid xz files, involving block flags and reserved bits. Some later versions are unaffected.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | p7zip Debian 13.5 (trixie) | 16.02+transitional.1 | [DEBIAN-CVE-2022-47111](https://patchblox.com/security/data/fix/linux/debian-cve-2022-47111.md) | Apr 19, 2025 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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