Improper Handling of Exceptional Conditions and Improper Input Validation in Reactor Netty

HIGH 7.5CVE-2020-5403 · GHSA-hp5x-rqf7-43vf · Published 03/03/2020 · updated 04/09/2026

In short

CVE-2020-5403 is a HIGH (CVSS 7.5) vulnerability affecting io.projectreactor.netty:reactor-netty-http, reactor netty (broadcom).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 67.0% of all vulnerabilities.
Fix: update to 0.9.5 or later.

Package	Affected versions	Patched versions
io.projectreactor.netty:reactor-netty-http Maven	`≥ 0.9.3, < 0.9.5`	`0.9.5`
reactor netty broadcom	`= 0.9.3= 0.9.4`	No fix yet

Description

Reactor Netty HttpServer, versions 0.9.3 and 0.9.4, is exposed to a URISyntaxException that causes the connection to be closed prematurely instead of producing a 400 response.

NVD description

Reactor Netty HttpServer, versions 0.9.3 and 0.9.4, is exposed to a URISyntaxException that causes the connection to be closed prematurely instead of producing a 400 response.

References

nvd.nist.gov/vuln/detail/CVE-2020-5403 · ADVISORY
pivotal.io/security/cve-2020-5403 · WEB

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Package

Affected versions

Patched versions

io.projectreactor.netty:reactor-netty-http

Maven

≥ 0.9.3, < 0.9.5

0.9.5

reactor netty

broadcom

= 0.9.3= 0.9.4

No fix yet

Description

Reactor Netty HttpServer, versions 0.9.3 and 0.9.4, is exposed to a URISyntaxException that causes the connection to be closed prematurely instead of producing a 400 response.

NVD description

Reactor Netty HttpServer, versions 0.9.3 and 0.9.4, is exposed to a URISyntaxException that causes the connection to be closed prematurely instead of producing a 400 response.

More vulnerabilities in io.projectreactor.netty:reactor-netty-http

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