CVE-2018-1000077: Debian Linux

Medium severity, CVSS 5.3. EPSS: 3.6% chance of exploitation in the next 30 days.

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Improper Input Validation vulnerability in ruby gems specification homepage attribute that can result in a malicious gem could set an invalid homepage URL. This vulnerability appears to have been fixed in 2.7.6.

Affected products

• Debian Debian Linux: version 7.0 only
• Rubygems Rubygems: up to and including 2.2.9; up to and including 2.3.6; up to and including 2.4.3; up to and including 2.5.0

Published 2018-03-13. Last modified 2026-06-17.