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OpenAdvisories
Low · 1.3 CVE-2026-90799 EUVD-2026-105158GHSA-cxg8-w7xq-jwgf

Apache CouchDB: Atom-table exhaustion in _changes sequences and _search bookmarks with specially crafted sequence values

Published Oct 20, 2026 · Updated Oct 20, 2026 · Assigned by apache

Description

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.

Users are recommended to upgrade to version 3.5.3, which fixes this issue.

Affected products

VendorProductAffectedFixed
Apache Software Foundation Apache CouchDB < 3.5.3 3.5.3

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS couchdb No fix yet —

References