# rubyzip (RubyGems) vulnerabilities

4 known vulnerabilities (1 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://rubygems.org/gems/rubyzip

## Advisories (4)

### [CVE-2026-85396](https://cve.now/CVE-2026-85396): rubyzip before 3.4.0 Path Traversal in Zip::Entry#extract via Sibling-Directory Prefix

- Severity: High 8.7
- Published: Sep 3, 2026
- Affected: fixed in 3.4.0.

### [CVE-2019-16892](https://cve.now/CVE-2019-16892): In Rubyzip before 1.3.0, a crafted ZIP file can bypass application checks on ZIP entry sizes because data about the uncompressed size can…

- Severity: Unrated
- Published: Sep 25, 2019
- Affected: fixed in 1.3.0.

### [CVE-2018-1000544](https://cve.now/CVE-2018-1000544): rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write…

- Severity: Unrated
- Published: Jun 26, 2018
- Affected: fixed in 1.2.2.

### [CVE-2017-5946](https://cve.now/CVE-2017-5946): The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability.

- Severity: Unrated
- Published: Feb 27, 2017
- Affected: fixed in 1.2.1.

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