Description
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ruby-zip | 1.2.2-1 | — |
| Debian 13 | ruby-zip | 1.2.2-1 | — |
| Debian 12 | ruby-zip | 1.2.2-1 | — |
| Debian 9 | ruby-zip | 1.2.0-1.1+deb9u1 | DLA-2307-1 |
| Debian 8 | ruby-zip | 1.1.6-1+deb8u2 | DLA-1467-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | ruby-zip | 1.2.1-1.1~build0.18.04.1 | — |
| Ubuntu 16.04 LTS | ruby-zip | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat CloudForms 5 | ansible-tower +5 | 3.2.7-1.el7at | RHSA-2018:3466 |
| Red Hat CloudForms 5 | cfme +5 | 5.9.5.3-1.el7cf | RHSA-2018:3466 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ruby3.2-rubygem-rubyzip | 2.3.2-1.11 | openSUSE-SU-2024:13168-1 |
| openSUSE Tumbleweed | rubygem-rubyzip | 2.3.2-1.15 | openSUSE-SU-2026:10363-1, openSUSE-SU-2025:15126-1, openSUSE-SU-2024:14176-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| RubyGems | rubyzip | < 1.2.2 | 1.2.2 | GHSA-vqcq-mrmw-mcmg |
Advisories 7
- RHSA-2018:3466 Red Hat Security Advisory: CloudForms 4.6.5 security, bug fix and enhancement update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- openSUSE-SU-2026:10363-1 ruby4.0-rubygem-rubyzip-2.3.2-1.19 on GA media SUSE / openSUSE Security Updates · Mar 14, 2026
- DLA-2307-1 ruby-zip - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1467-1 ruby-zip - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:14176-1 ruby3.3-rubygem-rubyzip-2.3.2-1.15 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2025:15126-1 ruby3.4-rubygem-rubyzip-2.3.2-1.17 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13168-1 ruby3.2-rubygem-rubyzip-2.3.2-1.11 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026