Servers and applications
CVE-2019-18277
A flaw was found in HAProxy before 2.0.6. In legacy mode, messages featuring a transfer-encoding header missing the "chunked" value were not being correctly rejected. The impact was limited but if combined with the "http-reuse always" setting, it could be used to help construct an HTTP request smuggling attack against a vulnerable component employing a lenient parser that would ignore the…
- Severity
- High 7.5
- Published
- 23 Oct 2019
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 2.0.6
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
HAProxyServers and applications · cpe:a:haproxy:haproxy |
|