CVE-2016-4434
Apache Tika does not properly initialize the XML parser or choose handlers
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats, a related issue to CVE-2016-2175.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats, a related issue to CVE-2016-2175.
- Record
CVE-2016-4434- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-611
- Updated
- 2026-11-02
CVE List No score
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats, a related issue to CVE-2016-2175.
- Record
CVE-2016-4434- Updated
- 2026-11-02
EUVDEUVD-2018-0507 No score
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats, a related issue to CVE-2016-2175.
- Record
EUVD-2018-0507- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4xr4-4c65-hj7f
7.8
Apache Tika does not properly initialize the XML parser or choose handlers
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats, a related issue to CVE-2016-2175.
- Record
GHSA-4xr4-4c65-hj7f- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-611
- Updated
- 2026-11-02
OSV
7.8
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats, a related issue to CVE-2016-2175.
- Record
CVE-2016-4434- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2016-4434
7.8
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats, a related issue to CVE-2016-2175.
- Record
DEBIAN-CVE-2016-4434- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-4xr4-4c65-hj7f
7.8
Apache Tika does not properly initialize the XML parser or choose handlers
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats, a related issue to CVE-2016-2175.
- Record
GHSA-4xr4-4c65-hj7f- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-611
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-4434
7.8
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats, a related issue to CVE-2016-2175.
- Record
UBUNTU-CVE-2016-4434- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.tika:tika-coreMaven |
before 1.13 | 1.13 |
tikaDebian:11 |
before 1.18-1 | 1.18-1 |
org.apache.tika:tika-coreMaven |
before 1.13, plus listed versions 0.100.40.50.60.7 Show 15 moreShow less0.80.91.01.11.101.111.121.21.31.41.51.61.71.81.9 |
1.13 |
tikaUbuntu:16.04:LTS |
All versions, plus listed versions 1.5-21.5-31.5-41.5-4ubuntu0.1 |
None known |
tikaUbuntu:18.04:LTS |
All versions, plus listed versions 1.5-5 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-4434 is a high vulnerability (CVSS 7.8) in Apache Tika, published September 29, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.57%, the 89th percentile. Fixed in org.apache.tika:tika-core 1.13.
References
securityfocus.com/archive/1/538500/100/0/threaded
mail-archives.apache.org/mod_mbox/tika-dev/201605.mbox/%3C1705136517.1175366.1464278135251.JavaMail.yahoo%40mail.yahoo.com%3E
rhn.redhat.com/errata/RHSA-2017-0272.html
rhn.redhat.com/errata/RHSA-2017-0248.html
rhn.redhat.com/errata/RHSA-2017-0249.html
lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E
Show 6 moreShow less
nvd.nist.gov/vuln/detail/CVE-2016-4434
github.com/advisories/GHSA-4xr4-4c65-hj7f
lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451@%3Csolr-user.lucene.apache.org%3E
security-tracker.debian.org/tracker/CVE-2016-4434
ubuntu.com/security/CVE-2016-4434
cve.org/CVERecord?id=CVE-2016-4434