{"id":"USN-5490-1","summary":"protobuf vulnerability","details":"It was discovered that Protocol Buffers did not properly parse certain symbols.\nAn attacker could possibly use this issue to cause a denial of service or other\nunspecified impact.\n","modified":"2026-02-10T04:42:40Z","published":"2022-06-21T20:47:39Z","related":["UBUNTU-CVE-2021-22570"],"upstream":["CVE-2021-22570","UBUNTU-CVE-2021-22570"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5490-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-22570"}],"affected":[{"package":{"name":"protobuf","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/protobuf@2.6.1-1.3ubuntu0.1~esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1-1.3ubuntu0.1~esm1"}]}],"versions":["2.6.1-1.2","2.6.1-1.3"],"ecosystem_specific":{"binaries":[{"binary_version":"2.6.1-1.3ubuntu0.1~esm1","binary_name":"libprotobuf-dev"},{"binary_version":"2.6.1-1.3ubuntu0.1~esm1","binary_name":"libprotobuf-java"},{"binary_version":"2.6.1-1.3ubuntu0.1~esm1","binary_name":"libprotobuf-lite9v5"},{"binary_version":"2.6.1-1.3ubuntu0.1~esm1","binary_name":"libprotobuf9v5"},{"binary_version":"2.6.1-1.3ubuntu0.1~esm1","binary_name":"libprotoc-dev"},{"binary_version":"2.6.1-1.3ubuntu0.1~esm1","binary_name":"libprotoc9v5"},{"binary_version":"2.6.1-1.3ubuntu0.1~esm1","binary_name":"protobuf-compiler"},{"binary_version":"2.6.1-1.3ubuntu0.1~esm1","binary_name":"python-protobuf"}],"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-5490-1.json","cves_map":{"cves":[{"id":"CVE-2021-22570","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}}],"schema_version":"1.7.3"}