Ubuntu 20.04 — ruby-nokogiri — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7659-1 Related CVEs: CVE-2022-29181 CVE-2022-40303 CVE-2020-26247 Upstream summary: It was discovered Nokogiri did not correctly parse XML Schemas. If a user or automated system were tricked into opening a specially […]