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List:       oss-security
Subject:    [oss-security] [CVE-2018-11761] Apache Tika DoS XML Entity Expansion Vulnerability
From:       Tim Allison <tallison () apache ! org>
Date:       2018-09-19 12:44:41
Message-ID: CAC1dCwVx2Z1haCnvYBhH7nQRN4kYKjwkLfjsCbeFHv2tRcBonA () mail ! gmail ! com
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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.
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