How severe is CVE-2017-9096?

CVE-2017-9096 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-9096 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9096?

CVE-2017-9096 primarily affects Itextpdf Itext. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-9096?

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-2017-9096 published?

CVE-2017-9096 was published on 2017-11-08 and last updated on 2026-06-17.

CVE-2017-9096

CVE-2017-9096 is a high-severity vulnerability in Itextpdf Itext with a CVSS 3.x base score of 8.8. 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-611.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Itextpdf Itext
Published: 2017-11-08
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-9096?: 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.
How severe is CVE-2017-9096?: CVE-2017-9096 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-9096 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9096?: CVE-2017-9096 primarily affects Itextpdf Itext. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-9096?: 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-2017-9096 published?: CVE-2017-9096 was published on 2017-11-08 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:itextpdf:itext:*:*:*:*:*:*:*:*
cpe:2.3:a:itextpdf:itext:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:itextpdf:itext:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:itextpdf:itext:7.0.2:*:*:*:*:*:*:*

More vulnerabilities in Itextpdf Itext

CVE-2021-43113 — Critical (CVSS 9.8): iTextPDF in iText 7 and up to (excluding 4.4.13.3) 7.1.17 allows command injection via a CompareTool filename that is…
CVE-2022-24198 — Medium (CVSS 6.5): iText v7.1.17 was discovered to contain an out-of-bounds exception via the component ARCFOUREncryption.encryptARCFOUR,…
CVE-2022-24197 — Medium (CVSS 6.5): iText v7.1.17 was discovered to contain a stack-based buffer overflow via the component ByteBuffer.append, which allows…
CVE-2022-24196 — Medium (CVSS 6.5): iText v7.1.17, up to (exluding)": 7.1.18 and 7.2.2 was discovered to contain an out-of-memory error via the component…
CVE-2023-6299 — Medium (CVSS 4.3): A vulnerability, which was classified as problematic, has been found in Apryse iText 8.0.1. This issue affects some…
CVE-2023-6298 — Medium (CVSS 4.3): A vulnerability classified as problematic was found in Apryse iText 8.0.2. This vulnerability affects the function main…

All CVEs affecting Itextpdf Itext →

Other CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities

CVE-2022-22486 — Critical (CVSS 10.0): IBM Tivoli Workload Scheduler 9.4, 9.5, and 10.1 is vulnerable to an XML External Entity Injection (XXE) attack when…
CVE-2019-14678 — Critical (CVSS 10.0): SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in…
CVE-2015-9280 — Critical (CVSS 10.0): MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.
CVE-2018-1000838 — Critical (CVSS 10.0): autopsy version <= 4.9.0 contains a XML External Entity (XXE) vulnerability in CaseMetadata XML Parser that can result…
CVE-2018-1000837 — Critical (CVSS 10.0): UML Designer version <= 8.0.0 contains a XML External Entity (XXE) vulnerability in XML parser for plugins that can…
CVE-2018-1000835 — Critical (CVSS 10.0): KeePassDX version <= 2.5.0.0beta17 contains a XML External Entity (XXE) vulnerability in kdbx file parser that can…

Browse all CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities →