Ubuntu 18.04 — perl — multiple vulnerabilities (10 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6112-1 Related CVEs: CVE-2023-31484 CVE-2020-16156 CVE-2020-10543 CVE-2020-10878 CVE-2020-12723 CVE-2018-18311 CVE-2018-18312 CVE-2018-18313 +2 more Upstream summary: It was discovered that Perl was not properly verifying TLS certificates when using CPAN together […]