How severe is CVE-2016-9606?

CVE-2016-9606 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-9606 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9606?

CVE-2016-9606 affects Redhat Resteasy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-9606?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-9606 published?

CVE-2016-9606 was published on 2018-03-09 and last updated on 2026-06-17.

CVE-2016-9606

CVE-2016-9606 is a high-severity vulnerability in Redhat Resteasy with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Redhat Resteasy
Published: 2018-03-09
Last modified: 2026-06-17

Description

JBoss RESTEasy before version 3.1.2 could be forced into parsing a request with YamlProvider, resulting in unmarshalling of potentially untrusted data which could allow an attacker to execute arbitrary code with RESTEasy application permissions.

Frequently asked questions

What is CVE-2016-9606?: JBoss RESTEasy before version 3.1.2 could be forced into parsing a request with YamlProvider, resulting in unmarshalling of potentially untrusted data which could allow an attacker to execute arbitrary code with RESTEasy application permissions.
How severe is CVE-2016-9606?: CVE-2016-9606 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-9606 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9606?: CVE-2016-9606 affects Redhat Resteasy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-9606?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-9606 published?: CVE-2016-9606 was published on 2018-03-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:resteasy:*:*:*:*:*:*:*:*

More vulnerabilities in Redhat Resteasy

CVE-2018-1051 — High (CVSS 8.1): It was found that the fix for CVE-2016-9606 in versions 3.0.22 and 3.1.2 was incomplete and Yaml unmarshalling in…
CVE-2020-14326 — High (CVSS 7.5): A vulnerability was found in RESTEasy, where RootNode incorrectly caches routes. This issue results in hash flooding,…
CVE-2020-1695 — High (CVSS 7.5): A flaw was found in all resteasy 3.x.x versions prior to 3.12.0.Final and all resteasy 4.x.x versions prior to…
CVE-2016-6346 — High (CVSS 7.5): RESTEasy enables GZIPInterceptor, which allows remote attackers to cause a denial of service via unspecified vectors.
CVE-2014-3490 — High (CVSS 7.5): RESTEasy 2.3.1 before 2.3.8.SP2 and 3.x before 3.0.9, as used in Red Hat JBoss Enterprise Application Platform (EAP)…
CVE-2016-6345 — Medium (CVSS 6.5): RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random…

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