BIT-couchdb-2026-90799

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    BIT-couchdb-2026-90799

    Published: 29 Oct 2026Last Modified: 29 Oct 2026

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

    References: http://www.openwall.com/lists/oss-security/2026/10/20/14, https://lists.apache.org/thread.html/pj83174r8f8f64odf47fwhozbfjtot0f, https://lists.apache.org/thread/bqxkm19hw8985t7opz675b29hs1zl4z9, https://nvd.nist.gov/vuln/detail/CVE-2026-90799

    Affected packages

    Package

    Name: couchdb

    Purl: pkg:bitnami/couchdb

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -3.5.3

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    BIT-couchdb-2026-90799 | CVE-DB