# CVE-2018-1000544: Rubyzip gem contains a Directory Traversal vulnerability in zip file component

Source: https://junglewise.ai/threats/cve-2018-1000544-rubyzip-gem-contains-a-directory-traversal-vulnerability-in-zip  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2018-09-06  
License: CC BY 4.0 with a link back

CVE-2018-1000544 · Severity: low · CVSS 3.1 · Published 2018-09-06

Rubyzip gem contains a Directory Traversal vulnerability in zip file component

Technologies: [rubyzip (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-rubyzip). Vendors: [RubyGems](https://junglewise.ai/threats/vendors/rubygems).

## Quick answers

**Is CVE-2018-1000544 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2018-1000544 being exploited in the wild.

**How severe is CVE-2018-1000544?** Low severity, with a CVSS score of 3.1, published 6 September 2018.

**Which products and versions are affected?** rubyzip (RubyGems) ECOSYSTEM:introduced=0,fixed=1.2.2.

**Is there a fix for CVE-2018-1000544?** Yes. rubyzip (RubyGems): upgrade to 1.2.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2018-1000544?** Check whether you run rubyzip (RubyGems) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- rubyzip (RubyGems): upgrade to 1.2.2 or later

  ```sh
  bundle update rubyzip
  ```


## Affected products

- rubyzip (RubyGems) ECOSYSTEM:introduced=0,fixed=1.2.2

## Identifiers

- CVE-2018-1000544
- GHSA-vqcq-mrmw-mcmg

## Related threats

- [rubyzip path traversal in Entry#extract](https://junglewise.ai/threats/cve-2026-85396-rubyzip-path-traversal-in-entry-extract)
- [Rubyzip denial of service](https://junglewise.ai/threats/cve-2019-16892-rubyzip-denial-of-service)
- [High severity vulnerability that affects rubyzip](https://junglewise.ai/threats/high-severity-vulnerability-that-affects-rubyzip-e963e623)
- [Directory traversal vulnerability in RubyZip](https://junglewise.ai/threats/cve-2017-5946-directory-traversal-vulnerability-in-rubyzip)