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.
Published: 2026-10-20
Score: 1.3 Low
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 20 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
References

Tue, 20 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-502
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 20 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title Apache CouchDB: Atom-table exhaustion in _changes sequences and _search bookmarks with specially crafted sequence values
References
Metrics cvssV4_0

{'score': 1.3, 'vector': '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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-20T18:10:08.069Z

Reserved: 2026-09-13T15:06:21.705Z

Link: CVE-2026-90799

cve-icon Vulnrichment

Updated: 2026-10-20T18:10:08.069Z

cve-icon NVD

Status : Deferred

Published: 2026-10-20T16:17:15.907

Modified: 2026-10-20T19:34:00.700

Link: CVE-2026-90799

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T17:45:13Z

Weaknesses
  • CWE-502

    Deserialization of Untrusted Data