{"id":"USN-6306-1","summary":"fastdds vulnerabilities","details":"It was discovered that Fast DDS incorrectly handled certain inputs.\nA remote attacker could possibly use this issue to cause a denial of\nservice and information exposure. This issue only affected Ubuntu\n22.04 LTS. (CVE-2021-38425)\n\nIt was discovered that Fast DDS incorrectly handled certain inputs.\nAn attacker could possibly use this issue to cause a crash.\n(CVE-2023-39534, CVE-2023-39945, CVE-2023-39946, CVE-2023-39947,\nCVE-2023-39948, CVE-2023-39949)\n","modified":"2026-02-10T04:43:16Z","published":"2023-08-24T17:34:36Z","related":["UBUNTU-CVE-2021-38425","UBUNTU-CVE-2023-39534","UBUNTU-CVE-2023-39945","UBUNTU-CVE-2023-39946","UBUNTU-CVE-2023-39947","UBUNTU-CVE-2023-39948","UBUNTU-CVE-2023-39949"],"upstream":["CVE-2021-38425","CVE-2023-39534","CVE-2023-39945","CVE-2023-39946","CVE-2023-39947","CVE-2023-39948","CVE-2023-39949","UBUNTU-CVE-2021-38425","UBUNTU-CVE-2023-39534","UBUNTU-CVE-2023-39945","UBUNTU-CVE-2023-39946","UBUNTU-CVE-2023-39947","UBUNTU-CVE-2023-39948","UBUNTU-CVE-2023-39949"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6306-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-38425"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39534"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39945"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39946"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39947"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39948"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-39949"}],"affected":[{"package":{"name":"fastdds","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/fastdds@2.5.0+ds-3ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0+ds-3ubuntu0.1~esm1"}]}],"versions":["2.1.0+ds-9","2.4.1+ds-1","2.5.0+ds-3"],"ecosystem_specific":{"binaries":[{"binary_version":"2.5.0+ds-3ubuntu0.1~esm1","binary_name":"fastdds-tools"},{"binary_version":"2.5.0+ds-3ubuntu0.1~esm1","binary_name":"libfastrtps-dev"},{"binary_version":"2.5.0+ds-3ubuntu0.1~esm1","binary_name":"libfastrtps2.5"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-38425","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-39534","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-39945","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-39946","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-39947","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-39948","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-39949","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6306-1.json"}}],"schema_version":"1.7.3"}