{"id":"CVE-2022-3171","aliases":["GHSA-h4h5-3hr4-j3g2"],"url":"https://o3.security/vulnerability/CVE-2022-3171","summary":"Memory handling vulnerability in ProtocolBuffers Java core and lite","details":"A parsing issue with binary data in protobuf-java core and lite versions prior to 3.21.7, 3.20.3, 3.19.6 and 3.16.3 can lead to a denial of service attack. Inputs containing multiple instances of non-repeated embedded messages with repeated or unknown fields causes objects to be converted back-n-forth between mutable and immutable forms, resulting in potentially long garbage collection pauses. We recommend updating to the versions mentioned above.","published":"2022-10-12T00:00:00Z","modified":"2026-08-12T13:01:09.172785Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":{"score":0.01143,"percentile":0.65122,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-java","fixedVersion":"3.21.7"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-kotlin","fixedVersion":"3.21.7"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-javalite","fixedVersion":"3.21.7"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-kotlin-lite","fixedVersion":"3.21.7"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-java","fixedVersion":"3.20.3"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-java","fixedVersion":"3.19.6"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-java","fixedVersion":"3.16.3"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-kotlin","fixedVersion":"3.20.3"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-kotlin","fixedVersion":"3.19.6"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-kotlin","fixedVersion":"3.16.3"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-javalite","fixedVersion":"3.20.3"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-javalite","fixedVersion":"3.19.6"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-javalite","fixedVersion":"3.16.3"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-kotlin-lite","fixedVersion":"3.20.3"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-kotlin-lite","fixedVersion":"3.19.6"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-kotlin-lite","fixedVersion":"3.16.3"},{"ecosystem":"RubyGems","name":"google-protobuf","fixedVersion":"3.21.7"},{"ecosystem":"RubyGems","name":"google-protobuf","fixedVersion":"3.20.3"},{"ecosystem":"RubyGems","name":"google-protobuf","fixedVersion":"3.19.6"},{"ecosystem":"RubyGems","name":"google-protobuf","fixedVersion":"3.16.3"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3171.json"},{"type":"ADVISORY","url":"https://github.com/protocolbuffers/protobuf/security/advisories/GHSA-h4h5-3hr4-j3g2"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBAUKJQL6O4TIWYBENORSY5P43TVB4M3/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MPCGUT3T5L6C3IDWUPSUO22QDCGQKTOP/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3171"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202301-09"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T13:01:09.172785Z"}}