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Posted to dev@tika.apache.org by Tim Allison <ta...@apache.org> on 2018/09/19 12:44:41 UTC

[CVE-2018-11761] Apache Tika DoS XML Entity Expansion Vulnerability

CVE-2018-11761: Apache Tika Denial of Service via XML Entity Expansion
Vulnerability

Severity: Medium

Vendor:
The Apache Software Foundation

Versions Affected:
Apache Tika 0.1 to 1.18

Description:
Apache Tika's XML parsers were not configured to limit entity expansion.
They were therefore vulnerable to an entity expansion vulnerability which
can lead to a denial of service attack.

Mitigation:
Apache Tika users should upgrade to 1.19 or later

Credit:
This issue was discovered by Renfei (Brian) Wang of Amazon.