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Vulnerability Details CVE-2018-11796

In Apache Tika 1.19 (CVE-2018-11761), we added an entity expansion limit for XML parsing. However, Tika reuses SAXParsers and calls reset() after each parse, which, for Xerces2 parsers, as per the documentation, removes the user-specified SecurityManager and thus removes entity expansion limits after the first parse. Apache Tika versions from 0.1 to 1.19 are therefore still vulnerable to entity expansions which can lead to a denial of service attack. Users should upgrade to 1.19.1 or later.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.034
EPSS Ranking 86.8%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2018-11796
  • Apache » Tika » Version: 0.1
    cpe:2.3:a:apache:tika:0.1
  • Apache » Tika » Version: 0.10
    cpe:2.3:a:apache:tika:0.10
  • Apache » Tika » Version: 0.2
    cpe:2.3:a:apache:tika:0.2
  • Apache » Tika » Version: 0.3
    cpe:2.3:a:apache:tika:0.3
  • Apache » Tika » Version: 0.4
    cpe:2.3:a:apache:tika:0.4
  • Apache » Tika » Version: 0.5
    cpe:2.3:a:apache:tika:0.5
  • Apache » Tika » Version: 0.6
    cpe:2.3:a:apache:tika:0.6
  • Apache » Tika » Version: 0.7
    cpe:2.3:a:apache:tika:0.7
  • Apache » Tika » Version: 0.8
    cpe:2.3:a:apache:tika:0.8
  • Apache » Tika » Version: 0.9
    cpe:2.3:a:apache:tika:0.9
  • Apache » Tika » Version: 1.0
    cpe:2.3:a:apache:tika:1.0
  • Apache » Tika » Version: 1.1
    cpe:2.3:a:apache:tika:1.1
  • Apache » Tika » Version: 1.10
    cpe:2.3:a:apache:tika:1.10
  • Apache » Tika » Version: 1.11
    cpe:2.3:a:apache:tika:1.11
  • Apache » Tika » Version: 1.12
    cpe:2.3:a:apache:tika:1.12
  • Apache » Tika » Version: 1.13
    cpe:2.3:a:apache:tika:1.13
  • Apache » Tika » Version: 1.14
    cpe:2.3:a:apache:tika:1.14
  • Apache » Tika » Version: 1.15
    cpe:2.3:a:apache:tika:1.15
  • Apache » Tika » Version: 1.16
    cpe:2.3:a:apache:tika:1.16
  • Apache » Tika » Version: 1.17
    cpe:2.3:a:apache:tika:1.17
  • Apache » Tika » Version: 1.18
    cpe:2.3:a:apache:tika:1.18
  • Apache » Tika » Version: 1.19
    cpe:2.3:a:apache:tika:1.19
  • Apache » Tika » Version: 1.2
    cpe:2.3:a:apache:tika:1.2
  • Apache » Tika » Version: 1.3
    cpe:2.3:a:apache:tika:1.3
  • Apache » Tika » Version: 1.4
    cpe:2.3:a:apache:tika:1.4
  • Apache » Tika » Version: 1.5
    cpe:2.3:a:apache:tika:1.5
  • Apache » Tika » Version: 1.6
    cpe:2.3:a:apache:tika:1.6
  • Apache » Tika » Version: 1.7
    cpe:2.3:a:apache:tika:1.7
  • Apache » Tika » Version: 1.8
    cpe:2.3:a:apache:tika:1.8
  • Apache » Tika » Version: 1.9
    cpe:2.3:a:apache:tika:1.9


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