{"id":"UBUNTU-CVE-2025-40920","details":"Catalyst::Authentication::Credential::HTTP versions 1.018 and earlier for Perl generate nonces using the Perl Data::UUID library.   *  Data::UUID does not use a strong cryptographic source for generating UUIDs.   *  Data::UUID returns v3 UUIDs, which are generated from known information and are unsuitable for security, as per RFC 9562.   *  The nonces should be generated from a strong cryptographic source, as per RFC 7616.","modified":"2026-01-20T18:57:44.834757Z","published":"2025-08-11T21:15:00Z","upstream":["CVE-2025-40920"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-40920"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-40920"},{"type":"REPORT","url":"https://lists.security.metacpan.org/cve-announce/msg/31902514/"},{"type":"REPORT","url":"https://github.com/perl-catalyst/Catalyst-Authentication-Credential-HTTP/pull/1"}],"affected":[{"package":{"name":"libcatalyst-authentication-credential-http-perl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libcatalyst-authentication-credential-http-perl@1.016-2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.016-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libcatalyst-authentication-credential-http-perl","binary_version":"1.016-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-40920.json"}},{"package":{"name":"libcatalyst-authentication-credential-http-perl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libcatalyst-authentication-credential-http-perl@1.018-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.016-3","1.018-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcatalyst-authentication-credential-http-perl","binary_version":"1.018-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-40920.json"}},{"package":{"name":"libcatalyst-authentication-credential-http-perl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libcatalyst-authentication-credential-http-perl@1.018-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.018-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.018-1","binary_name":"libcatalyst-authentication-credential-http-perl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-40920.json"}},{"package":{"name":"libcatalyst-authentication-credential-http-perl","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libcatalyst-authentication-credential-http-perl@1.018-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.018-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libcatalyst-authentication-credential-http-perl","binary_version":"1.018-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-40920.json"}},{"package":{"name":"libcatalyst-authentication-credential-http-perl","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libcatalyst-authentication-credential-http-perl@1.018-3?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.018-2","1.018-3"],"ecosystem_specific":{"binaries":[{"binary_name":"libcatalyst-authentication-credential-http-perl","binary_version":"1.018-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-40920.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L"},{"type":"Ubuntu","score":"medium"}]}