🛡️ CVE-2016-9589 — wildfly-undertow

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-400 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Red Hat Wildfly DoS

Undertow in Red Hat wildfly before version 11.0.0.Beta1 is vulnerable to a resource exhaustion resulting in a denial of service. Undertow keeps a cache of seen HTTP headers in persistent connections. It was found that this cache can easily exploited to fill memory with garbage, up to "max-headers" (default 200) * "max-header-size" (default 1MB) per active TCP connection.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2016-9589 is classified as CWE-400: Uncontrolled Resource Consumption. A request can consume memory, CPU or storage without limit, exhausting capacity for everyone else.

Affected software

CVE-2016-9589 is recorded against 1 package.

  • org.wildfly:wildfly-undertow (fixed in 11.0.0.Beta1)

Timeline and source

Published on 13 May 2022 and last revised on 17 February 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
access.redhat.com (Web)
access.redhat.com (Web)
access.redhat.com (Web)
access.redhat.com (Web)
access.redhat.com (Web)
access.redhat.com (Web)
bugzilla.redhat.com (Web)
github.com (Package)
web.archive.org (Web)
rhn.redhat.com (Web)
rhn.redhat.com (Web)
rhn.redhat.com (Web)
rhn.redhat.com (Web)
rhn.redhat.com (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-400
Public Exploit ✅ No
Source OSV
Published 2022-05-13
Updated 2026-08-12
Modified 2024-02-17
Fix URL N/A

Affected Packages

Software From version Fixed in
org.wildfly:wildfly-undertow 11.0.0.Beta1

References

Similar Threats

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