{"id":"UBUNTU-CVE-2020-16155","details":"The CPAN::Checksums package 2.12 for Perl does not uniquely define signed data.","modified":"2026-05-20T16:04:14.138764705Z","published":"2021-12-13T18:15:00Z","upstream":["CVE-2020-16155"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-16155"},{"type":"REPORT","url":"https://blog.hackeriet.no/cpan-signature-verification-vulnerabilities/"},{"type":"REPORT","url":"http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-16155"}],"affected":[{"package":{"name":"libcpan-checksums-perl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libcpan-checksums-perl?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.09-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcpan-checksums-perl","binary_version":"2.09-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16155.json"}},{"package":{"name":"libcpan-checksums-perl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libcpan-checksums-perl?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcpan-checksums-perl","binary_version":"2.12-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16155.json"}},{"package":{"name":"libcpan-checksums-perl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libcpan-checksums-perl?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcpan-checksums-perl","binary_version":"2.12-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16155.json"}},{"package":{"name":"libcpan-checksums-perl","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libcpan-checksums-perl?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12-1","2.13-1","2.14-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.14-1","binary_name":"libcpan-checksums-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16155.json"}},{"package":{"name":"libcpan-checksums-perl","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libcpan-checksums-perl?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14-1","2.14-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libcpan-checksums-perl","binary_version":"2.14-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16155.json"}},{"package":{"name":"libcpan-checksums-perl","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libcpan-checksums-perl?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14-2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.14-2","binary_name":"libcpan-checksums-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16155.json"}},{"package":{"name":"libcpan-checksums-perl","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libcpan-checksums-perl?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.14-2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.14-2","binary_name":"libcpan-checksums-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-16155.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}