CVE-2026-90797 Details
Description
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.
A denial-of-service vulnerability has been identified in Apache CouchDB versions 3.5.2 and earlier, across all platforms. The issue arises from an unlimited gzip decompression routine in the 'chtpd' component, which allows any remote client to cause memory exhaustion. This vulnerability can lead to significant performance degradation or system instability.
Users are advised to upgrade to Apache CouchDB version 3.5.3 or later, which addresses this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 20, 2026CISA-ADP
Assessed Oct 20, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2026/10/20/12 | CVE | AdvisoryMailing List |
| https://lists.apache.org/thread/gsbotof0qn8x6zlpd7t568ny4053jo0n | [email protected] | AdvisoryMailing ListRemedyVendor |
| https://lists.apache.org/thread.html/pj83174r8f8f64odf47fwhozbfjtot0f | [email protected] | AdvisoryBundleMailing ListVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-409 | Improper Handling of Highly Compressed Data (Data Amplification) | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Apache CouchDB | < 3.5.3 (semver) |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 20, 2026 | CVE Modified | CVE |
| Oct 20, 2026 | CVE Modified | CISA-ADP |
| Oct 20, 2026 | New CVE Received | [email protected] |