{"id":"BIT-couchdb-2026-90799","summary":"Apache CouchDB: Atom-table exhaustion in _changes sequences and _search bookmarks with specially crafted sequence values","details":"Unsafe binary deserialisation in chttpd in Apache CouchDB 3.5.2 and below on all platforms allows an authenticated user to cause a denial of service via memory exhaustion.\n\nUsers are recommended to upgrade to version 3.5.3, which fixes this issue.","aliases":["CVE-2026-90799"],"modified":"2026-10-29T10:45:06.871152557Z","published":"2026-10-29T08:39:48.982Z","database_specific":{"severity":"Low","cpes":["cpe:2.3:a:apache:couchdb:*:*:*:*:*:*:*:*"]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/10/20/14"},{"type":"WEB","url":"https://lists.apache.org/thread.html/pj83174r8f8f64odf47fwhozbfjtot0f"},{"type":"WEB","url":"https://lists.apache.org/thread/bqxkm19hw8985t7opz675b29hs1zl4z9"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90799"}],"affected":[{"package":{"name":"couchdb","ecosystem":"Bitnami","purl":"pkg:bitnami/couchdb"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.5.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/couchdb/BIT-couchdb-2026-90799.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:A/V:D/RE:M/U:Amber"}]}],"schema_version":"1.9.2"}