{"id":"CVE-2026-90799","title":"Apache CouchDB: Atom-table exhaustion in _changes sequences and _search bookmarks with specially crafted sequence values","summary":"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 t…","severity":"low","cvss":1.3,"cvssVector":"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/S:N/AU:Y/R:A/V:D/RE:M/U:Amber","cvssSource":"cna","vendor":"Apache Software Foundation","product":"Apache CouchDB","affected":["apache_couchdb < 3.5.3"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-20T16:56:52.216221Z"},"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T18:10:08.069Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90799","references":[{"url":"https://lists.apache.org/thread.html/pj83174r8f8f64odf47fwhozbfjtot0f"},{"url":"https://lists.apache.org/thread/bqxkm19hw8985t7opz675b29hs1zl4z9"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T16:10:53.308Z","slug":"CVE-2026-90799","body":"## Overview\n\nUnsafe 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.\n\n## Affected\n\n- `apache_couchdb < 3.5.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":7,"depthScoreParts":{"impact":7.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}