{"id":"CVE-2021-42340","details":"The fix for bug 63362 present in Apache Tomcat 10.1.0-M1 to 10.1.0-M5, 10.0.0-M1 to 10.0.11, 9.0.40 to 9.0.53 and 8.5.60 to 8.5.71 introduced a memory leak. The object introduced to collect metrics for HTTP upgrade connections was not released for WebSocket connections once the connection was closed. This created a memory leak that, over time, could lead to a denial of service via an OutOfMemoryError.","aliases":["BIT-tomcat-2021-42340","GHSA-wph7-x527-w3h5"],"modified":"2026-07-08T05:59:58.392031189Z","published":"2021-10-14T20:15:09.060Z","database_specific":{"unresolved_ranges":[{"vendor_product":"oracle:big_data_spatial_and_graph","cpes":["cpe:2.3:a:oracle:big_data_spatial_and_graph:*:*:*:*:*:*:*:*"],"extracted_events":[{"fixed":"23.1"}],"source":"CPE_RANGE"},{"vendor_product":"oracle:communications_diameter_signaling_router","cpes":["cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0.0.0"},{"last_affected":"8.5.0.2"}],"source":"CPE_RANGE"},{"extracted_events":[{"introduced":"11.0"},{"last_affected":"11.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"]},{"cpes":["cpe:2.3:a:oracle:agile_engineering_data_management:6.2.1.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"6.2.1.0"},{"last_affected":"6.2.1.0"}],"source":"CPE_STRING","vendor_product":"oracle:agile_engineering_data_management"},{"vendor_product":"oracle:hospitality_cruise_shipboard_property_management_system","cpes":["cpe:2.3:a:oracle:hospitality_cruise_shipboard_property_management_system:20.1.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"20.1.0"},{"last_affected":"20.1.0"}],"source":"CPE_STRING"},{"source":"CPE_STRING","vendor_product":"oracle:managed_file_transfer","cpes":["cpe:2.3:a:oracle:managed_file_transfer:12.2.1.3.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:managed_file_transfer:12.2.1.4.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"12.2.1.3.0"},{"last_affected":"12.2.1.3.0"},{"introduced":"12.2.1.4.0"},{"last_affected":"12.2.1.4.0"}]},{"cpes":["cpe:2.3:a:oracle:middleware_common_libraries_and_tools:12.2.1.4.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"12.2.1.4.0"},{"last_affected":"12.2.1.4.0"}],"source":"CPE_STRING","vendor_product":"oracle:middleware_common_libraries_and_tools"},{"extracted_events":[{"introduced":"19.1"},{"last_affected":"19.1"},{"introduced":"20.3"},{"last_affected":"20.3"}],"source":"CPE_STRING","vendor_product":"oracle:payment_interface","cpes":["cpe:2.3:a:oracle:payment_interface:19.1:*:*:*:*:*:*:*","cpe:2.3:a:oracle:payment_interface:20.3:*:*:*:*:*:*:*"]},{"vendor_product":"oracle:retail_customer_insights","cpes":["cpe:2.3:a:oracle:retail_customer_insights:15.0.2:*:*:*:*:*:*:*","cpe:2.3:a:oracle:retail_customer_insights:16.0.2:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.0.2"},{"last_affected":"15.0.2"},{"introduced":"16.0.2"},{"last_affected":"16.0.2"}],"source":"CPE_STRING"},{"vendor_product":"oracle:retail_data_extractor_for_merchandising","cpes":["cpe:2.3:a:oracle:retail_data_extractor_for_merchandising:15.0.2:*:*:*:*:*:*:*","cpe:2.3:a:oracle:retail_data_extractor_for_merchandising:16.0.2:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.0.2"},{"last_affected":"15.0.2"},{"introduced":"16.0.2"},{"last_affected":"16.0.2"}],"source":"CPE_STRING"},{"source":"CPE_STRING","vendor_product":"oracle:retail_eftlink","cpes":["cpe:2.3:a:oracle:retail_eftlink:21.0.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"21.0.0"},{"last_affected":"21.0.0"}]},{"cpes":["cpe:2.3:a:oracle:retail_financial_integration:16.0.1:*:*:*:*:*:*:*","cpe:2.3:a:oracle:retail_financial_integration:19.0.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"16.0.1"},{"last_affected":"16.0.1"},{"introduced":"19.0.0"},{"last_affected":"19.0.0"}],"source":"CPE_STRING","vendor_product":"oracle:retail_financial_integration"},{"vendor_product":"oracle:retail_store_inventory_management","cpes":["cpe:2.3:a:oracle:retail_store_inventory_management:14.0.4.13:*:*:*:*:*:*:*","cpe:2.3:a:oracle:retail_store_inventory_management:14.1.3.14:*:*:*:*:*:*:*","cpe:2.3:a:oracle:retail_store_inventory_management:14.1.3.5:*:*:*:*:*:*:*","cpe:2.3:a:oracle:retail_store_inventory_management:15.0.3.3:*:*:*:*:*:*:*","cpe:2.3:a:oracle:retail_store_inventory_management:15.0.3.8:*:*:*:*:*:*:*","cpe:2.3:a:oracle:retail_store_inventory_management:16.0.3.7:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"14.0.4.13"},{"last_affected":"14.0.4.13"},{"introduced":"14.1.3.5"},{"last_affected":"14.1.3.5"},{"introduced":"14.1.3.14"},{"last_affected":"14.1.3.14"},{"introduced":"15.0.3.3"},{"last_affected":"15.0.3.3"},{"introduced":"15.0.3.8"},{"last_affected":"15.0.3.8"},{"introduced":"16.0.3.7"},{"last_affected":"16.0.3.7"}],"source":"CPE_STRING"},{"cpes":["cpe:2.3:a:oracle:sd-wan_edge:9.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:sd-wan_edge:9.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"},{"introduced":"9.1"},{"last_affected":"9.1"}],"source":"CPE_STRING","vendor_product":"oracle:sd-wan_edge"}]},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r8097a2d1550aa78e585fc77e602b9046e6d4099d8d132497c5387784%40%3Ccommits.myfaces.apache.org%3E"},{"type":"ADVISORY","url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10379"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/r83a35be60f06aca2065f188ee542b9099695d57ced2e70e0885f905c%40%3Cannounce.tomcat.apache.org%3E"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202208-34"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20211104-0001/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-5009"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpujul2022.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"04d663d7541a013098db3a3f81b1c23c255c12a4"},{"fixed":"53c394049af76032bc7acab9de023013ad4fdc43"},{"introduced":"11cce490eb67a8aca64377a22c0cea2e38896725"},{"fixed":"454f804f3336ec980e84eb84bb6a051e349c6d3a"},{"introduced":"e4344b6bd67359e1690312674d83710a793f1d5b"},{"fixed":"84e18583f461778707f7fd2e25b1f0677e44e899"},{"introduced":"9826be4c8368c94eab1e804b456867ca1cb766c3"},{"last_affected":"2a10c8d9110d7b1c7f526f3352648c6b19ba2c52"}],"database_specific":{"extracted_events":[{"introduced":"8.5.60"},{"fixed":"8.5.72"},{"introduced":"9.0.40"},{"fixed":"9.0.54"},{"introduced":"10.0.1"},{"fixed":"10.0.12"},{"introduced":"10.0.0-milestone10"},{"last_affected":"10.0.0-milestone10"},{"introduced":"10.1.0-milestone1"},{"last_affected":"10.1.0-milestone1"},{"introduced":"10.1.0-milestone2"},{"last_affected":"10.1.0-milestone2"},{"introduced":"10.1.0-milestone3"},{"last_affected":"10.1.0-milestone3"},{"introduced":"10.1.0-milestone4"},{"last_affected":"10.1.0-milestone4"},{"introduced":"10.1.0-milestone5"},{"last_affected":"10.1.0-milestone5"}],"source":["CPE_RANGE","CPE_STRING"],"cpe":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.0.0:milestone10:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone1:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone2:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone3:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone4:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:10.1.0:milestone5:*:*:*:*:*:*"]}}],"versions":["10.0.0-milestone10","10.1.0-milestone1","10.1.0-milestone2","10.1.0-milestone3","10.1.0-milestone4","10.1.0-milestone5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42340.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}