CVE catalog
CVE-2019-20445
HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header.
- Severity
- Critical · CVSS 9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 13.83% · Oct 25, 2026
HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | netty | sid | 1:4.1.48-16 | fixed |
| Debian | netty | forky | 1:4.1.48-16 | fixed |
| Debian | netty | trixie | 1:4.1.48-10+deb13u1 | fixed |
| Debian | netty | trixie-security | 1:4.1.48-10+deb13u1 | fixed |
| Debian | netty | bookworm | 1:4.1.48-7+deb12u2 | fixed |
| Debian | netty | bookworm-security | 1:4.1.48-7+deb12u2 | fixed |
| Cpe | netty | Not reported | 4.1.44 | fixed |
| Cpe | debian_linux | Not reported | Not reported | unknown |
| Cpe | debian_linux | Not reported | Not reported | unknown |
| Cpe | debian_linux | Not reported | Not reported | unknown |
| Cpe | fedora | Not reported | Not reported | unknown |
| Cpe | ubuntu_linux | Not reported | Not reported | unknown |
| Cpe | jboss_amq_clients | Not reported | Not reported | unknown |
| Cpe | jboss_enterprise_application_platform | Not reported | Not reported | unknown |
| Cpe | jboss_enterprise_application_platform | Not reported | Not reported | unknown |
| Cpe | spark | Not reported | Not reported | unknown |
| Cpe | spark | Not reported | Not reported | unknown |
| Ubuntu | netty | pro | 1:3.2.6.Final-2 | vulnerable |
| Ubuntu | netty | pro | 1:4.0.32-1 | vulnerable |
| Ubuntu | netty | pro | 1:4.0.33-1 | vulnerable |
| Ubuntu | netty | pro | 1:4.0.34-1 | vulnerable |
| Ubuntu | netty | pro | 1:4.0.34-1ubuntu0.1~esm1 | vulnerable |
| Ubuntu | netty | pro | 1:4.0.34-1ubuntu0.1~esm2 | vulnerable |
| Ubuntu | netty | pro | 1:4.0.34-1ubuntu0.1~esm3 | vulnerable |
| Ubuntu | netty | pro | 1:4.0.34-1ubuntu0.1~esm4 | vulnerable |
| Ubuntu | netty | pro | 1:4.0.34-1ubuntu0.1~esm5 | vulnerable |
| Ubuntu | netty-3.9 | 16.04 | 3.9.0.Final-1 | vulnerable |
| Ubuntu | netty-3.9 | 16.04 | 3.9.0.Final-1ubuntu0.1 | fixed |
| Ubuntu | netty | 18.04 | 1:4.1.7-4 | vulnerable |
| Ubuntu | netty | 18.04 | 1:4.1.7-4ubuntu0.1 | fixed |
| Ubuntu | netty-3.9 | 18.04 | 3.9.9.Final-1 | vulnerable |
| Ubuntu | netty-3.9 | 18.04 | 3.9.9.Final-1+deb9u1build0.18.04.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | netty | source | sid | 1:4.1.45-1 | not yet assigned | Not reported | [950967] |
| Debian | netty | source | forky | 1:4.1.45-1 | not yet assigned | Not reported | [950967] |
| Debian | netty | source | trixie | 1:4.1.45-1 | not yet assigned | Not reported | [950967] |
| Debian | netty | source | bookworm | 1:4.1.45-1 | not yet assigned | Not reported | [950967] |
| Cpe | netty | cpe | Not reported | 4.1.44 | Not reported | NVD-CVE-2019-20445 | Not reported |
| Ubuntu | netty-3.9 | deb | 16.04 | 3.9.0.Final-1ubuntu0.1 | Not reported | UBUNTU-CVE-2019-20445 | Not reported |
| Ubuntu | netty | deb | 18.04 | 1:4.1.7-4ubuntu0.1 | Not reported | UBUNTU-CVE-2019-20445 | Not reported |
| Ubuntu | netty-3.9 | deb | 18.04 | 3.9.9.Final-1+deb9u1build0.18.04.1 | Not reported | UBUNTU-CVE-2019-20445 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libnetty-java]Unknown
Source package: [netty]
Details (4)
1:4.1.48-7+deb12u2· all · bookwormFixed · Fixed:
1:4.1.45-1nvd · netty · debian · bookworm; nvd · netty · debian · 12
1:4.1.48-7+deb12u2· all · bookwormFixed · Fixed:
1:4.1.45-1nvd · netty · debian · bookworm; nvd · netty · debian · 12
1:4.1.48-7+deb12u2· all · bookworm-securityFixed · Fixed:
1:4.1.45-1nvd · netty · debian · bookworm; nvd · netty · debian · 12
1:4.1.48-7+deb12u2· all · bookworm-securityFixed · Fixed:
1:4.1.45-1nvd · netty · debian · bookworm; nvd · netty · debian · 12
[Debian 13 (Trixie)]
- [libnetty-java]Unknown
Source package: [netty]
Details (4)
1:4.1.48-10+deb13u1· all · trixieFixed · Fixed:
1:4.1.45-1nvd · netty · debian · 13
1:4.1.48-10+deb13u1· all · trixieFixed · Fixed:
1:4.1.45-1nvd · netty · debian · 13
1:4.1.48-10+deb13u1· all · trixie-securityFixed · Fixed:
1:4.1.45-1nvd · netty · debian · 13
1:4.1.48-10+deb13u1· all · trixie-securityFixed · Fixed:
1:4.1.45-1nvd · netty · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2019-20445]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2019-20445]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2019-20445]
- [https://security-tracker.debian.org/tracker/CVE-2019-20445]
- [https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-20445.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1926.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]