{"id":"USN-5784-1","summary":"usbredir vulnerability","details":"It was discovered that usbredir incorrectly handled memory when\nserializing large amounts of data in the case of a slow or blocked\ndestination. An attacker could possibly use this issue to cause\napplications using usbredir to crash, resulting in a denial of\nservice, or possibly execute arbitrary code.\n","modified":"2026-06-29T13:50:44.521055117Z","published":"2023-01-03T11:49:09Z","related":["UBUNTU-CVE-2021-3700"],"upstream":["CVE-2021-3700","UBUNTU-CVE-2021-3700"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5784-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3700"}],"affected":[{"package":{"name":"usbredir","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/usbredir?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6-2ubuntu1.1+esm1"}]}],"versions":["0.6-2","0.6-2ubuntu1","0.6-2ubuntu1.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"0.6-2ubuntu1.1+esm1","binary_name":"libusbredirhost1"},{"binary_version":"0.6-2ubuntu1.1+esm1","binary_name":"libusbredirparser1"},{"binary_name":"usbredirserver","binary_version":"0.6-2ubuntu1.1+esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2021-3700"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5784-1.json"}},{"package":{"name":"usbredir","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/usbredir?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.1-1ubuntu0.16.04.1~esm1"}]}],"versions":["0.7-1ubuntu2","0.7.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.7.1-1ubuntu0.16.04.1~esm1","binary_name":"libusbredirhost1"},{"binary_version":"0.7.1-1ubuntu0.16.04.1~esm1","binary_name":"libusbredirparser1"},{"binary_version":"0.7.1-1ubuntu0.16.04.1~esm1","binary_name":"usbredirserver"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2021-3700"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5784-1.json"}},{"package":{"name":"usbredir","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/usbredir?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7.1-1ubuntu0.18.04.1"}]}],"versions":["0.7.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.7.1-1ubuntu0.18.04.1","binary_name":"libusbredirhost1"},{"binary_version":"0.7.1-1ubuntu0.18.04.1","binary_name":"libusbredirparser1"},{"binary_version":"0.7.1-1ubuntu0.18.04.1","binary_name":"usbredirserver"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-3700","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5784-1.json"}},{"package":{"name":"usbredir","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/usbredir?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.0-1ubuntu0.1"}]}],"versions":["0.8.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libusbredirhost1","binary_version":"0.8.0-1ubuntu0.1"},{"binary_name":"libusbredirparser1","binary_version":"0.8.0-1ubuntu0.1"},{"binary_version":"0.8.0-1ubuntu0.1","binary_name":"usbredirserver"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2021-3700","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5784-1.json"}}],"schema_version":"1.7.5"}