{"id":"CVE-2026-111817","revision":null,"records":[{"revision":"2a4af3d3b41c44539c63f12cf9229c4a","observedAt":"2026-10-23T22:48:20.692+00:00","statement":{"source":"cve-program","id":"CVE-2026-111817","aliases":[],"title":"Apache Traffic Server: Dropping chunked trailers stalls a passthrough transfer until timeout","description":"Apache Traffic Server can stall a chunked transfer that it passes through with its trailers removed (proxy.config.http.drop_chunked_trailers) until the connection times out, because it waits for the trailer bytes it has already dropped. Trailer dropping is on by default in 10.x. In 8.1.11 and 9.2.x it is off by default, and those versions are affected only if it is enabled.\n\n\n\nThis issue affects Apache Traffic Server: 8.1.11, from 9.2.5 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0.\n\n\n\nUsers are recommended to upgrade to version 10.1.5 or 10.2.1, which fix the issue.","state":0,"publishedAt":"2026-10-21T19:20:00.515+00:00","modifiedAt":"2026-10-23T21:21:06.85+00:00","affected":[{"ecosystem":"Vendor product","name":"Apache Traffic Server","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Apache Software Foundation\",\n                    \"product\": \"Apache Traffic Server\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"8.1.11\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"9.2.5\",\n                            \"lessThanOrEqual\": \"9.2.15\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"10.0.0\",\n                            \"lessThanOrEqual\": \"10.1.4\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"10.2.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"}],"references":["https://lists.apache.org/thread/r95dq29ywcd1f4x30snxlqmb12z4s4kc"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111817","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111817","identifiers":["CVE-2026-111817"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-10-26T14:35:48.1677058+00:00","complete":true,"records":1756,"lastAttemptAt":"2026-10-26T14:35:48.1677058+00:00","lastSuccessAt":"2026-10-26T14:35:48.3516958+00:00","error":null,"lastVerifiedAt":"2026-10-26T14:35:48.3516975+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-5ba1945314e042c2ced14b33f3680fa71692812d925544312b218f5eb8a26e71-c9e0dc0e630c65d3e2eec6bfd23be086a2f833dd3e7570a16b44670030aaf25b","complete":true,"records":414172,"lastAttemptAt":"2026-10-26T14:35:43.3458888+00:00","lastSuccessAt":"2026-10-26T14:35:43.2997194+00:00","error":null,"lastVerifiedAt":"2026-10-26T14:35:43.3458888+00:00","snapshotPublishedAt":"2026-10-26T13:53:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-43321610382942b8ad8c85917eab1546","complete":false,"records":4735,"lastAttemptAt":"2026-10-26T14:36:16.7068084+00:00","lastSuccessAt":"2026-10-24T23:18:49.862+00:00","error":"InvalidDataException","lastVerifiedAt":"2026-10-24T23:18:49.862+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":4064,"expectedIdentifiers":13477},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-26T14:35:48.1677058+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-26T14:35:48.1677058+00:00","lastSuccessAt":"2026-10-26T14:35:48.3524508+00:00","error":null,"lastVerifiedAt":"2026-10-26T14:35:48.3524813+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-ddf1516e1d944b74b0e29872646a7464","complete":true,"records":13416,"lastAttemptAt":"2026-10-26T14:36:14.7824466+00:00","lastSuccessAt":"2026-10-26T14:36:14.779+00:00","error":null,"lastVerifiedAt":"2026-10-26T14:36:14.779+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13477,"expectedIdentifiers":13477},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-2375a4e597279abf92e8747e140fe8da9d421877cd49cae3ac69a2cb78469b2c","complete":true,"records":9779,"lastAttemptAt":"2026-10-26T14:35:43.7672517+00:00","lastSuccessAt":"2026-10-24T13:19:53.1346702+00:00","error":null,"lastVerifiedAt":"2026-10-26T14:35:43.7672517+00:00","snapshotPublishedAt":"2026-10-24T03:03:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-16ad89dfea13ab9e9b0108e63a759d63bd4559cc68b58491107d62ee35bbbaf2","complete":true,"records":1965,"lastAttemptAt":"2026-10-26T14:35:43.5489133+00:00","lastSuccessAt":"2026-10-23T16:01:26.4487605+00:00","error":null,"lastVerifiedAt":"2026-10-26T14:35:43.5489133+00:00","snapshotPublishedAt":"2026-10-21T12:18:07+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-a393d8fe0ae8408f3e4cab413b76047090c8e4a3c0a186c79edf33c9a3d3af95","complete":true,"records":2995,"lastAttemptAt":"2026-10-26T14:35:48.1177056+00:00","lastSuccessAt":"2026-10-26T14:35:47.9640893+00:00","error":null,"lastVerifiedAt":"2026-10-26T14:35:48.1177056+00:00","snapshotPublishedAt":"2026-10-26T14:18:55+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-690135177074a0c4b9ddcb48232cb870c32b1a7adcd972a81c224810b8437d0d","complete":true,"records":230805,"lastAttemptAt":"2026-10-26T14:35:43.6565309+00:00","lastSuccessAt":"2026-10-26T12:37:54.7648812+00:00","error":null,"lastVerifiedAt":"2026-10-26T14:35:43.6565309+00:00","snapshotPublishedAt":"2026-10-26T11:48:32+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null}]}