{"id":"CVE-2022-3509","aliases":["GHSA-g5ww-5jh7-63cx"],"url":"https://o3.security/vulnerability/CVE-2022-3509","summary":"Parsing issue in protobuf textformat","details":"A parsing issue similar to CVE-2022-3171, but with textformat 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":"2022-11-01T18:09:31.634Z","modified":"2026-08-12T13:01:14.016224Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.00583,"percentile":0.45194,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-java","fixedVersion":"3.16.3"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-java","fixedVersion":"3.19.6"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-java","fixedVersion":"3.20.3"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-java","fixedVersion":"3.21.7"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-javalite","fixedVersion":"3.20.3"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-javalite","fixedVersion":"3.21.7"},{"ecosystem":"Maven","name":"com.google.protobuf:protobuf-javalite","fixedVersion":"3.16.3"}],"fix":{"url":"https://github.com/protocolbuffers/protobuf/commit/a3888f53317a8018e7a439bac4abeb8f3425d5e9","label":"protocolbuffers/protobuf@a3888f5"},"references":[{"type":"WEB","url":"https://github.com/protocolbuffers/protobuf/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3509.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3509"},{"type":"FIX","url":"https://github.com/protocolbuffers/protobuf/commit/a3888f53317a8018e7a439bac4abeb8f3425d5e9"},{"type":"WEB","url":"https://github.com/protocolbuffers/protobuf/blob/v2.6.1/java/core/src/main/java/com/google/protobuf/MessageReflection.java"},{"type":"WEB","url":"https://github.com/protocolbuffers/protobuf/blob/v3.0.0/java/core/src/main/java/com/google/protobuf/MessageReflection.java"},{"type":"PACKAGE","url":"https://github.com/protocolbuffers/protobuf/tree/main/java"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T13:01:14.016224Z"}}