This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-19203 →
Categories
DEBIAN-CVE-2026-19203

A client may issue specially crafted HTTP/1.1 chunked requests to a Jetty server that cause Jetty and an intermediary proxy to interpret different req...

Original description

The description as published by the source.

A client may issue specially crafted HTTP/1.1 chunked requests to a Jetty server that cause Jetty and an intermediary proxy to interpret different request boundaries, potentially resulting in HTTP request smuggling. This is caused by Jetty accepting a lone LF character as a terminator in parts of chunked request parsing. Depending on the Jetty version and configured HTTP compliance mode, this may occur in chunk extensions, chunk data termination, or trailer termination.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:13 jetty12
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14 jetty12
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:12 jetty9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13 jetty9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14 jetty9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

References

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