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CVE-2018-11796 PUBLISHED

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.

EPSS 3.94% · 88.2th percentile

Risk Scores

EPSS Score
3.94%
88.2th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:22.04:LTStika1.22-2, 0, 1.22-2ubuntu0.22.04.1~esm1
Ubuntu:Pro:20.04:LTStika0, 1.22-1, 1.22-1ubuntu0.1~esm1
Ubuntu:16.04:LTStika0, 1.5-2, 1.5-3
Ubuntu:18.04:LTStika1.5-5, 0

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