{"id":"USN-6712-1","summary":"libnet-cidr-lite-perl vulnerability","details":"It was discovered that Net::CIDR::Lite incorrectly handled extra zero\ncharacters at the beginning of IP address strings. A remote attacker could\npossibly use this issue to bypass access controls.\n","modified":"2026-04-27T16:49:46.691797Z","published":"2024-03-25T11:56:34Z","related":["UBUNTU-CVE-2021-47154"],"upstream":["CVE-2021-47154","UBUNTU-CVE-2021-47154"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6712-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-47154"}],"affected":[{"package":{"name":"libnet-cidr-lite-perl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libnet-cidr-lite-perl@0.21-2ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.21-2ubuntu0.1"}]}],"versions":["0.21-2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.21-2ubuntu0.1","binary_name":"libnet-cidr-lite-perl"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6712-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2021-47154","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.5"}