Advisory severityLow1.3Apache Software Foundation Updated

Low [CVE-2026-90799] 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

This low-severity Apache Software Foundation advisory covers CVE-2026-90799; related products: Apache CouchDB.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-90799 Source published Oct 21, 2026Source updated Oct 20, 2026

VulniPulse record published Oct 21, 2026Record updated Oct 21, 2026

CVE-2026-90799

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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.

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

Affected versions

Apache CouchDB before 3.5.3

Official advisory · high-confidence parse· fetched 21 hours ago·verify at source

Fixed versions

3.5.3

Official advisory · high-confidence parse· fetched 21 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation

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

Official advisory · high-confidence parse· fetched 21 hours ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Apache Software Foundation
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2026-90799 instead of the raw feed document.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-90799NVD CVE.org MITRE

Official resources

Apache HTTP Server 2.4 vulnerabilities (official fixed-in table) (target: 3.5.3)
Official documentation
This advisory names 3.5.3 as the first fixed release — official upgrade documentation for Apache HTTP Server 2.4 vulnerabilities (official fixed-in table).
ASF Security — reporting & CVE process
Official documentation
The Apache Software Foundation's official security page: how ASF CVEs are published and where each project's advisories live.
Apache project downloads (fixed releases)
Official documentation
Official ASF download tree — fetch the fixed release named in this advisory from the project's directory.

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