{"id":"USN-5733-1","summary":"flac vulnerabilities","details":"It was discovered that FLAC was not properly performing memory management\noperations, which could result in a memory leak. An attacker could possibly\nuse this issue to cause FLAC to consume resources, leading to a denial of\nservice. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and\nUbuntu 18.04 LTS. (CVE-2017-6888)\n\nIt was discovered that FLAC was not properly performing bounds checking\noperations when decoding data. If a user or automated system were tricked\ninto processing a specially crafted file, an attacker could possibly use\nthis issue to expose sensitive information or to cause FLAC to crash,\nleading to a denial of service. This issue only affected Ubuntu 14.04 ESM,\nUbuntu 16.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-0499)\n\nIt was discovered that FLAC was not properly performing bounds checking\noperations when encoding data. If a user or automated system were tricked\ninto processing a specially crafted file, an attacker could possibly use\nthis issue to expose sensitive information or to cause FLAC to crash,\nleading to a denial of service. (CVE-2021-0561)\n","modified":"2026-05-20T16:06:05.202995899Z","published":"2022-11-21T13:32:08Z","related":["UBUNTU-CVE-2017-6888","UBUNTU-CVE-2020-0499","UBUNTU-CVE-2021-0561"],"upstream":["CVE-2017-6888","CVE-2020-0499","CVE-2021-0561","UBUNTU-CVE-2017-6888","UBUNTU-CVE-2020-0499","UBUNTU-CVE-2021-0561"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5733-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-6888"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-0499"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-0561"}],"affected":[{"package":{"name":"flac","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/flac?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0-2ubuntu0.14.04.1+esm1"}]}],"versions":["1.3.0-1","1.3.0-2","1.3.0-2ubuntu0.14.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.0-2ubuntu0.14.04.1+esm1","binary_name":"flac"},{"binary_version":"1.3.0-2ubuntu0.14.04.1+esm1","binary_name":"libflac++6"},{"binary_version":"1.3.0-2ubuntu0.14.04.1+esm1","binary_name":"libflac8"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5733-1.json","cves_map":{"cves":[{"id":"CVE-2017-6888","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2020-0499","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2021-0561","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"flac","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/flac?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.1-4ubuntu0.1~esm1"}]}],"versions":["1.3.1-4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.3.1-4ubuntu0.1~esm1","binary_name":"flac"},{"binary_version":"1.3.1-4ubuntu0.1~esm1","binary_name":"libflac++6v5"},{"binary_version":"1.3.1-4ubuntu0.1~esm1","binary_name":"libflac8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5733-1.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"flac","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/flac?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.2-1ubuntu0.1"}]}],"versions":["1.3.2-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.2-1ubuntu0.1","binary_name":"flac"},{"binary_version":"1.3.2-1ubuntu0.1","binary_name":"libflac++6v5"},{"binary_version":"1.3.2-1ubuntu0.1","binary_name":"libflac8"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5733-1.json","cves_map":{"cves":[{"id":"CVE-2017-6888","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2020-0499","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2021-0561","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"flac","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/flac?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1ubuntu0.1"}]}],"versions":["1.3.3-1","1.3.3-1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.3.3-1ubuntu0.1","binary_name":"flac"},{"binary_version":"1.3.3-1ubuntu0.1","binary_name":"libflac++6v5"},{"binary_version":"1.3.3-1ubuntu0.1","binary_name":"libflac8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5733-1.json","cves_map":{"cves":[{"id":"CVE-2020-0499","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2021-0561","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"flac","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/flac?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-2ubuntu0.1"}]}],"versions":["1.3.3-2","1.3.3-2build1","1.3.3-2build2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.3.3-2ubuntu0.1","binary_name":"flac"},{"binary_version":"1.3.3-2ubuntu0.1","binary_name":"libflac++6v5"},{"binary_version":"1.3.3-2ubuntu0.1","binary_name":"libflac8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5733-1.json","cves_map":{"cves":[{"id":"CVE-2021-0561","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"}}}],"schema_version":"1.7.5"}