{"id":"USN-5945-1","summary":"protobuf vulnerabilities","details":"It was discovered that Protocol Buffers did not properly validate field\ncom.google.protobuf.UnknownFieldSet in protobuf-java. An attacker could\npossibly use this issue to perform a denial of service attack. This issue\nonly affected protobuf Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2021-22569)\n\nIt was discovered that Protocol Buffers did not properly parse certain\nsymbols. An attacker could possibly use this issue to cause a denial of\nservice or other unspecified impact. (CVE-2021-22570)\n\nIt was discovered that Protocol Buffers did not properly manage memory when\nparsing specifically crafted messages. An attacker could possibly use this\nissue to cause applications using protobuf to crash, resulting in a denial\nof service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,\nUbuntu 22.04 LTS and Ubuntu 22.10. (CVE-2022-1941)\n","modified":"2026-04-22T10:34:07.968194Z","published":"2023-03-13T06:07:39Z","related":["UBUNTU-CVE-2021-22569","UBUNTU-CVE-2021-22570","UBUNTU-CVE-2022-1941"],"upstream":["CVE-2021-22569","CVE-2021-22570","CVE-2022-1941","UBUNTU-CVE-2021-22569","UBUNTU-CVE-2021-22570","UBUNTU-CVE-2022-1941"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5945-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-22569"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-22570"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-1941"}],"affected":[{"package":{"name":"protobuf","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/protobuf@2.5.0-9ubuntu1+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-9ubuntu1+esm1"}]}],"versions":["2.4.1-3ubuntu2","2.4.1-3ubuntu3","2.4.1-3ubuntu4","2.5.0-5ubuntu2","2.5.0-7ubuntu1","2.5.0-8ubuntu1","2.5.0-9ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.5.0-9ubuntu1+esm1","binary_name":"libprotobuf-java"},{"binary_version":"2.5.0-9ubuntu1+esm1","binary_name":"libprotobuf-lite8"},{"binary_version":"2.5.0-9ubuntu1+esm1","binary_name":"libprotobuf8"},{"binary_version":"2.5.0-9ubuntu1+esm1","binary_name":"libprotoc8"},{"binary_version":"2.5.0-9ubuntu1+esm1","binary_name":"protobuf-compiler"},{"binary_version":"2.5.0-9ubuntu1+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-5945-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2021-22569"},{"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"}],"id":"CVE-2021-22570"}]}}},{"package":{"name":"protobuf","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/protobuf@3.0.0-9.1ubuntu1.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.0-9.1ubuntu1.1"}]}],"versions":["3.0.0-9ubuntu5","3.0.0-9ubuntu6","3.0.0-9.1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.0-9.1ubuntu1.1","binary_name":"libprotobuf-java"},{"binary_version":"3.0.0-9.1ubuntu1.1","binary_name":"libprotobuf-lite10"},{"binary_version":"3.0.0-9.1ubuntu1.1","binary_name":"libprotobuf10"},{"binary_version":"3.0.0-9.1ubuntu1.1","binary_name":"libprotoc10"},{"binary_version":"3.0.0-9.1ubuntu1.1","binary_name":"protobuf-compiler"},{"binary_version":"3.0.0-9.1ubuntu1.1","binary_name":"python-protobuf"},{"binary_version":"3.0.0-9.1ubuntu1.1","binary_name":"python3-protobuf"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5945-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2021-22569"},{"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"}],"id":"CVE-2021-22570"},{"severity":[{"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":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2022-1941"}]}}},{"package":{"name":"protobuf","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/protobuf@3.6.1.3-2ubuntu5.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.1.3-2ubuntu5.2"}]}],"versions":["3.6.1.3-2","3.6.1.3-2ubuntu1","3.6.1.3-2ubuntu3","3.6.1.3-2ubuntu4","3.6.1.3-2ubuntu5"],"ecosystem_specific":{"binaries":[{"binary_version":"3.6.1.3-2ubuntu5.2","binary_name":"libprotobuf-java"},{"binary_version":"3.6.1.3-2ubuntu5.2","binary_name":"libprotobuf-lite17"},{"binary_version":"3.6.1.3-2ubuntu5.2","binary_name":"libprotobuf17"},{"binary_version":"3.6.1.3-2ubuntu5.2","binary_name":"libprotoc17"},{"binary_version":"3.6.1.3-2ubuntu5.2","binary_name":"protobuf-compiler"},{"binary_version":"3.6.1.3-2ubuntu5.2","binary_name":"python-protobuf"},{"binary_version":"3.6.1.3-2ubuntu5.2","binary_name":"python3-protobuf"},{"binary_version":"3.6.1.3-2ubuntu5.2","binary_name":"ruby-google-protobuf"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5945-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2021-22569"},{"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"}],"id":"CVE-2021-22570"},{"severity":[{"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":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2022-1941"}]}}},{"package":{"name":"protobuf","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/protobuf@3.12.4-1ubuntu7.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.12.4-1ubuntu7.22.04.1"}]}],"versions":["3.12.4-1ubuntu3","3.12.4-1ubuntu5","3.12.4-1ubuntu6","3.12.4-1ubuntu7"],"ecosystem_specific":{"binaries":[{"binary_version":"3.12.4-1ubuntu7.22.04.1","binary_name":"elpa-protobuf-mode"},{"binary_version":"3.12.4-1ubuntu7.22.04.1","binary_name":"libprotobuf-java"},{"binary_version":"3.12.4-1ubuntu7.22.04.1","binary_name":"libprotobuf-lite23"},{"binary_version":"3.12.4-1ubuntu7.22.04.1","binary_name":"libprotobuf23"},{"binary_version":"3.12.4-1ubuntu7.22.04.1","binary_name":"libprotoc23"},{"binary_version":"3.12.4-1ubuntu7.22.04.1","binary_name":"protobuf-compiler"},{"binary_version":"3.12.4-1ubuntu7.22.04.1","binary_name":"python3-protobuf"},{"binary_version":"3.12.4-1ubuntu7.22.04.1","binary_name":"ruby-google-protobuf"}],"availability":"No 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