{"id":"USN-7405-1","summary":"inspircd vulnerabilities","details":"It was discovered that InspIRCd did not correctly handle certificate\nfingerprints, which could lead to spoofing. A remote attacker could\npossibly use this issue to bypass authentication. This issue only affected\nUbuntu 16.04 LTS. (CVE-2016-7142)\n\nIt was discovered that InspIRCd did not correctly handle certain memory\noperations, which could lead to a NULL pointer dereference. A remote\nattacker could possibly use this issue to cause a denial of service. This\nissue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.\n(CVE-2019-20917)\n\nIt was discovered that InspIRCd did not correctly handle certain memory\noperations, which could lead to a use-after-free. A remote attacker could\npossibly use this issue to cause a denial of service. (CVE-2020-25269)\n","modified":"2026-06-25T13:32:30.279587496Z","published":"2025-04-02T05:04:12Z","related":["UBUNTU-CVE-2016-7142","UBUNTU-CVE-2019-20917","UBUNTU-CVE-2020-25269"],"upstream":["CVE-2016-7142","CVE-2019-20917","CVE-2020-25269","UBUNTU-CVE-2016-7142","UBUNTU-CVE-2019-20917","UBUNTU-CVE-2020-25269"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7405-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-7142"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-20917"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25269"}],"affected":[{"package":{"name":"inspircd","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/inspircd?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.20-5ubuntu0.1~esm1"}]}],"versions":["2.0.20-3","2.0.20-4","2.0.20-5","2.0.20-5build1","2.0.20-5build2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.20-5ubuntu0.1~esm1","binary_name":"inspircd"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7405-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2016-7142"},{"id":"CVE-2019-20917","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2020-25269","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"inspircd","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/inspircd?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.24-1ubuntu1+esm1"}]}],"versions":["2.0.24-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"inspircd","binary_version":"2.0.24-1ubuntu1+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2019-20917","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2020-25269","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7405-1.json"}},{"package":{"name":"inspircd","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/inspircd?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0-2ubuntu1+esm1"}]}],"versions":["2.0.27-1ubuntu2","3.4.0-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"inspircd","binary_version":"3.4.0-2ubuntu1+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2020-25269","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7405-1.json"}}],"schema_version":"1.7.5"}