CVE-2026-90797

An unlimited gzip decompression routine in chttpd in Apache CouchDB 3.5.2 and below on all platforms allows any remote client to cause a denial of service via memory exhaustion. Users are recommended to upgrade to version 3.5.3, which fixes this issue.

Score

CVSS 4.0 7.7 High

Status

Deferred - security@apache.org

Published

2026-10-20

Last modified

2026-10-20

Weaknesses

CWE-409

Affected products

• Apache Couchdb (Apache Software Foundation)

References

• https://lists.apache.org/thread.html/pj83174r8f8f64odf47fwhozbfjtot0f
• https://lists.apache.org/thread/gsbotof0qn8x6zlpd7t568ny4053jo0n
• http://www.openwall.com/lists/oss-security/2026/10/20/12