CVE-2016-4434
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML…
- 7.8HighCVSS base score
- 3.6%Exploitation in 30 daysEPSS · top 11% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By redhat
- 17 months later
· 17 months later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.6% · top 11% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.tika:tika-coreGHSA-4xr4-4c65-hj7f (opens in a new tab)
References
6
- 20160526 [CVE-2016-4434] Apache Tika XML External Entity vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- [tika-dev] 20160526 [CVE-2016-4434] Apache Tika XML External Entity vulnerability (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2017:0272 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:0248 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:0249 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [lucene-solr-user] 20190104 Re: SOLR v7 Security Issues Caused Denial of Use - Sonatype Application Composition Report (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-0507 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-4xr4-4c65-hj7f (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-4434)Record last updated .