{"items":[{"id":"NVI-00018330","kind":"vulnerability","title":"Apache Tomcat Incomplete Cleanup vulnerability","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-g8pj-r55q-5c2v","CVE-2023-42795"],"plain_summary":"GitHub lists this reviewed advisory for org.apache.tomcat:tomcat, org.apache.tomcat:tomcat, org.apache.tomcat.embed:tomcat-embed-core, org.apache.tomcat.embed:tomcat-embed-core, org.apache.tomcat.embed:tomcat-embed-core. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-12T19:50:47.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-122a42b1b611e38e2a952c499d41384b"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-122a42b1b611e38e2a952c499d41384b","url":"https://github.com/advisories/GHSA-g8pj-r55q-5c2v","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-g8pj-r55q-5c2v","publisher":"GitHub Advisory Database","observed_at":"2026-11-06T15:12:54.193Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 9.0.0-M1, < 9.0.81"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 8.5.0, < 8.5.94"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat.embed:tomcat-embed-core","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 11.0.0-M1, < 11.0.0-M12"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat.embed:tomcat-embed-core","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 10.1.0-M1, < 10.1.14"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat.embed:tomcat-embed-core","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 9.0.0-M1, < 9.0.81"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat.embed:tomcat-embed-core","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 8.5.0, < 8.5.94"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 11.0.0-M1, < 11.0.0-M12"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 10.1.0-M1, < 10.1.14"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat-catalina","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 11.0.0-M1, < 11.0.0-M12"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat-catalina","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 10.1.0-M1, < 10.1.14"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat-catalina","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 9.0.0-M1, < 9.0.81"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat-catalina","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 8.5.0, < 8.5.94"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat-util","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 11.0.0-M1, < 11.0.0-M12"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat-util","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 10.1.0-M1, < 10.1.14"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat-util","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 9.0.0-M1, < 9.0.81"]},{"certainty":"source_listed","source_ids":["sr-122a42b1b611e38e2a952c499d41384b"],"technology":"org.apache.tomcat:tomcat-util","known_exclusions":[],"conditions_summary":"Incomplete Cleanup vulnerability in Apache Tomcat.\n\nWhen recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.  Older, EOL versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fixes the issue.","public_affected_ranges":[">= 8.5.0, < 8.5.94"]}],"null_published_at":"2026-11-07T07:07:39.815Z","source_updated_at":"2026-06-12T19:50:47.000Z","source_disclosed_at":"2023-10-10T18:31:35.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-06T15:12:54.193Z"}],"next_cursor":null,"snapshot_revision":"42594"}