Disclosure summary
HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."
Source-reported weakness categories
CWE-444
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2019-20444
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| netty | netty | * {"versionEndExcluding":"4.1.44"} |
| debian | debian_linux | 8.0 |
| debian | debian_linux | 9.0 |
| debian | debian_linux | 10.0 |
| fedoraproject | fedora | 33 |
| canonical | ubuntu_linux | 18.04 |
| redhat | jboss_amq_clients | 2 |
| redhat | jboss_enterprise_application_platform | 7.2 |
| redhat | jboss_enterprise_application_platform | 7.3 |
Original records & references
- NIST NVD record
- CVE Program record
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- github.com — Patch, Third Party Advisory
- github.com — Exploit, Issue Tracking, Patch, Third Party Advisory
- github.com
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.apache.org
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.fedoraproject.org
- usn.ubuntu.com — Third Party Advisory
- www.debian.org — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- access.redhat.com — Third Party Advisory
- github.com — Patch, Third Party Advisory
- github.com — Exploit, Issue Tracking, Patch, Third Party Advisory
- lists.apache.org
- lists.apache.org
PUBLISHED 2020-01-29T16:15:11-05:00
MODIFIED 2026-10-08T18:16:53-04:00
INGESTED 2026-10-10T20:50:19-04:00