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Vulnerability record · CVE-2017-9096 · published 8 November 2017

CVE-2017-9096: Itextpdf itext xml external entity (xxe) vulnerability

Itextpdf · Itext

The XML parsers in iText before 5.5.12 and 7.x before 7.0.3 do not disable external entities, which might allow remote attackers to conduct XML external entity (XXE) attacks via a crafted PDF.

8.8 CVSS 3.0 High EPSS 9.6% · top 4.7% CWE-611 · XML external entity (XXE)
8.8CVSS 3.0 base score, v2 6.8
9.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

The XML parsers in iText before 5.5.12 and 7.x before 7.0.3 do not disable external entities, which might allow remote attackers to conduct XML external entity (XXE) attacks via a crafted PDF.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/archive/1/541483/100/0/threaded Third Party AdvisoryVDB Entry
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03902en_us Third Party Advisory
https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2017-017_itext_xml_external_entity_attack.txt Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html
http://www.securityfocus.com/archive/1/541483/100/0/threaded Third Party AdvisoryVDB Entry
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03902en_us Third Party Advisory
https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2017-017_itext_xml_external_entity_attack.txt Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-9096), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.