{"id":"USN-6112-1","summary":"perl vulnerability","details":"It was discovered that Perl was not properly verifying TLS certificates\nwhen using CPAN together with HTTP::Tiny to download modules over HTTPS.\nIf a remote attacker were able to intercept communications, this flaw\ncould potentially be used to install altered modules.\n","modified":"2026-05-20T16:06:08.511232734Z","published":"2023-05-29T18:16:29Z","related":["UBUNTU-CVE-2023-31484"],"upstream":["CVE-2023-31484","UBUNTU-CVE-2023-31484"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6112-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-31484"}],"affected":[{"package":{"name":"perl","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/perl?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.2-2ubuntu1.7+esm5"}]}],"versions":["5.14.2-21build1","5.18.1-4","5.18.1-4build1","5.18.1-5","5.18.2-2","5.18.2-2ubuntu1","5.18.2-2ubuntu1.1","5.18.2-2ubuntu1.3","5.18.2-2ubuntu1.4","5.18.2-2ubuntu1.6","5.18.2-2ubuntu1.7","5.18.2-2ubuntu1.7+esm3","5.18.2-2ubuntu1.7+esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"5.18.2-2ubuntu1.7+esm5","binary_name":"libcgi-fast-perl"},{"binary_version":"5.18.2-2ubuntu1.7+esm5","binary_name":"libperl5.18"},{"binary_version":"5.18.2-2ubuntu1.7+esm5","binary_name":"perl"},{"binary_version":"5.18.2-2ubuntu1.7+esm5","binary_name":"perl-base"},{"binary_version":"5.18.2-2ubuntu1.7+esm5","binary_name":"perl-debug"},{"binary_version":"5.18.2-2ubuntu1.7+esm5","binary_name":"perl-modules"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6112-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-31484"}]}}},{"package":{"name":"perl","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/perl?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.22.1-9ubuntu0.9+esm2"}]}],"versions":["5.20.2-6","5.22.1-3","5.22.1-4","5.22.1-5","5.22.1-7","5.22.1-8","5.22.1-9","5.22.1-9ubuntu0.2","5.22.1-9ubuntu0.3","5.22.1-9ubuntu0.5","5.22.1-9ubuntu0.6","5.22.1-9ubuntu0.9","5.22.1-9ubuntu0.9+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.22.1-9ubuntu0.9+esm2","binary_name":"perl-modules-5.22"},{"binary_version":"5.22.1-9ubuntu0.9+esm2","binary_name":"perl"},{"binary_version":"5.22.1-9ubuntu0.9+esm2","binary_name":"perl-base"},{"binary_version":"5.22.1-9ubuntu0.9+esm2","binary_name":"perl-debug"},{"binary_version":"5.22.1-9ubuntu0.9+esm2","binary_name":"libperl5.22"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6112-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[]}}},{"package":{"name":"perl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/perl?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.26.1-6ubuntu0.7"}]}],"versions":["5.26.0-8ubuntu1","5.26.1-2ubuntu1","5.26.1-3","5.26.1-4","5.26.1-4build1","5.26.1-5","5.26.1-6","5.26.1-6ubuntu0.1","5.26.1-6ubuntu0.2","5.26.1-6ubuntu0.3","5.26.1-6ubuntu0.5","5.26.1-6ubuntu0.6"],"ecosystem_specific":{"binaries":[{"binary_version":"5.26.1-6ubuntu0.7","binary_name":"libperl5.26"},{"binary_version":"5.26.1-6ubuntu0.7","binary_name":"perl"},{"binary_version":"5.26.1-6ubuntu0.7","binary_name":"perl-base"},{"binary_version":"5.26.1-6ubuntu0.7","binary_name":"perl-debug"},{"binary_version":"5.26.1-6ubuntu0.7","binary_name":"perl-modules-5.26"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6112-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-31484"}]}}}],"schema_version":"1.7.5"}