{"cve":"CVE-2021-37136","nvd":{"published":"2021-10-19T15:15:07.697","modified":"2026-10-08T22:17:10.643","status":"Modified","description":"The Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed output data (which affects the allocation size used during decompression). All users of Bzip2Decoder are affected. The malicious input can trigger an OOME and so a DoS attack","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://github.com/netty/netty/security/advisories/GHSA-grg4-wf29-r9vv","https://lists.apache.org/thread.html/r06a145c9bd41a7344da242cef07977b24abe3349161ede948e30913d%40%3Ccommits.druid.apache.org%3E","https://lists.apache.org/thread.html/r5406eaf3b07577d233b9f07cfc8f26e28369e6bab5edfcab41f28abb%40%3Ccommits.druid.apache.org%3E","https://lists.apache.org/thread.html/r5e05eba32476c580412f9fbdfc9b8782d5b40558018ac4ac07192a04%40%3Ccommits.druid.apache.org%3E","https://lists.apache.org/thread.html/r75490c61c2cb7b6ae2c81238fd52ae13636c60435abcd732d41531a0%40%3Ccommits.druid.apache.org%3E"],"products":["debian:debian_linux","netapp:oncommand_insight","netty:netty","oracle:banking_apis","oracle:banking_digital_experience","oracle:coherence","oracle:commerce_guided_search","oracle:communications_brm_-_elastic_charging_engine","oracle:communications_cloud_native_core_binding_support_function","oracle:communications_cloud_native_core_network_slice_selection_function","oracle:communications_cloud_native_core_policy","oracle:communications_cloud_native_core_security_edge_protection_proxy","oracle:communications_cloud_native_core_unified_data_repository","oracle:communications_diameter_signaling_router","oracle:communications_instant_messaging_server","oracle:helidon","oracle:peoplesoft_enterprise_peopletools","oracle:webcenter_portal","quarkus:quarkus"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-37136","score":0.05908,"percentile":0.93177,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-grg4-wf29-r9vv","url":"https://osv.dev/vulnerability/GHSA-grg4-wf29-r9vv","summary":"Bzip2Decoder doesn't allow setting size restrictions for decompressed data","modified":"2026-07-08T06:29:40.316185909Z","packages":[{"ecosystem":"Maven","name":"io.netty:netty-codec","purl":"pkg:maven/io.netty/netty-codec","ranges":["<4.1.68.Final"],"fixed":["4.1.68.Final"]},{"ecosystem":"Maven","name":"org.jboss.netty:netty","purl":"pkg:maven/org.jboss.netty/netty","ranges":["all versions"],"fixed":[]},{"ecosystem":"Maven","name":"io.netty:netty","purl":"pkg:maven/io.netty/netty","ranges":["all versions"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}