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CVE-2016-4434

Apache Tika does not properly initialize the XML parser or choose handlers

7.8 HighFix available

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

3.57%Up 1.5 points since Feb 4, 2022
90%50%10%1%

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 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV: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 HighCVSS: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 HighCVSS: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 HighCVSS: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 HighCVSS: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 HighCVSS: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

Affected packages
PackageAffectedFixed
org.apache.tika:tika-core
Maven
before 1.13
1.13
tika
Debian:11
before 1.18-1
1.18-1
org.apache.tika:tika-core
Maven
before 1.13, plus listed versions
0.100.40.50.60.7
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0.80.91.01.11.101.111.121.21.31.41.51.61.71.81.9
1.13
tika
Ubuntu:16.04:LTS
All versions, plus listed versions
1.5-21.5-31.5-41.5-4ubuntu0.1
None known
tika
Ubuntu:18.04:LTS
All versions, plus listed versions
1.5-5
None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE 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

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