jackson-dataformat-xml vulnerable to XML external entity (XXE)

CRITICAL 9.8CVE-2016-3720 · GHSA-hmq6-frv3-4727 · Published 10/06/2016 · updated 17/06/2026

In short

CVE-2016-3720 is a CRITICAL (CVSS 9.8) vulnerability affecting com.fasterxml.jackson.dataformat:jackson-dataformat-xml, jackson-dataformat-xml (fasterxml).
Chance of exploitation in the next 30 days (EPSS): 2.8%, higher than 86.4% of all vulnerabilities.
Fix: update to 2.7.4 or later.

Package	Affected versions	Patched versions
com.fasterxml.jackson.dataformat:jackson-dataformat-xml Maven	`< 2.7.4`	`2.7.4`
jackson-dataformat-xml fasterxml	`≤ 2.7.3`	No fix yet

Description

XML external entity (XXE) vulnerability in XmlMapper in the Data format extension for Jackson (aka jackson-dataformat-xml) allows attackers to have unspecified impact via unknown vectors.

NVD description

XML external entity (XXE) vulnerability in XmlMapper in the Data format extension for Jackson (aka jackson-dataformat-xml) allows attackers to have unspecified impact via unknown vectors.

References

nvd.nist.gov/vuln/detail/CVE-2016-3720 · ADVISORY
GitHub Advisory GHSA-hmq6-frv3-4727 · ADVISORY
lists.fedoraproject.org/pipermail/package-announce/2016-May/184561.html · WEB

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