CVE-2017-9096 json
Improper Restriction of XML External Entity Reference in iText
published 9y ago modified 4mo ago also GHSA-86p9-x5pw-94qx , EUVD-2022-3126
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 9.6%
- EPSS 9.6% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven com.itextpdf:itextpdf 5.5.12, 7.0.3
- itextpdf itext 5.5.12
Is CVE-2017-9096 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2017-9096 updated cvss 6.5
itext: External entities not disabled
-
Red Hat JBoss Enterprise Application Platform 5 itext itext Red Hat JBoss SOA Platform 5 itext itextaffected: no fix planned “Will not fix”
-
Red Hat BPM Suite 6 itext itext Red Hat JBoss BRMS 6 itext itextnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
9.57% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.itextpdf:itextpdf | <5.5.12 >=7.0.0, <7.0.3 |
5.5.12 7.0.3 |
| maven | com.lowagie:itext | <=4.2.2 |
no fix listed |
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
securityfocus.com
/archive/1/541483/100/0/threaded
mailing-list, web, third-party-advisory, vdb-entry
-
oracle.com
/security-alerts/cpuoct2020.html
web
-
support.hpe.com
/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03902en_us
web, third-party-advisory
-
compass-security.com
/fileadmin/Datein/Research/Advisories/CSNC-2017-017_itext_xml_external_entity_attack.txt
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2017-9096
advisory
Sources
- CVE List CVE-2017-9096
- GitHub Advisory GHSA-86p9-x5pw-94qx
- NVD CVE-2017-9096
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.