CVE-2019-16869
Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP headers (such as a "Transfer-Encoding : chunked" line), which leads to HTTP request smuggling.
- CVSS 3.1
- 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - EPSS
- 8.6% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-25)
- CWE
- CWE-444
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- debian:debian_linux
- netty:netty
- redhat:jboss_enterprise_application_platform
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-p979-4mfw-53vg | Maven | io.netty:netty-all | >=4.0.0.Beta1 <4.1.42.Final | 4.1.42.Final |
| GHSA-p979-4mfw-53vg | Maven | org.jboss.netty:netty | <=3.2.9.Final | no fix published |
| GHSA-p979-4mfw-53vg | Maven | io.netty:netty | >=3.3.0.Final <=4.0.0.Alpha8 | no fix published |