Description
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 Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Attack Vector
- network
- Complexity
- low
- Privileges
- none
- User Action
- none
- Scope
- unchanged
- Confidentiality
- none
- Integrity
- high
- Availability
- none
- Weaknesses
- CWE-444
Metadata
- Primary Vendor
- NETTY
- Published
- 9/26/2019
- Last Modified
- 7/7/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
netty : nettydebian : debian_linuxdebian : debian_linuxdebian : debian_linuxcanonical : ubuntu_linuxredhat : jboss_enterprise_application_platformredhat : jboss_enterprise_application_platformredhat : jboss_enterprise_application_platform
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