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Vulnerability record · CVE-2016-5004 · published 6 June 2017

CVE-2016-5004: Apache ws-xmlrpc uncontrolled resource consumption vulnerability

Apache · Ws Xmlrpc

The Content-Encoding HTTP header feature in ws-xmlrpc 3.1.3 as used in Apache Archiva allows remote attackers to cause a denial of service (resource consumption) by decompressing a large file containing zeroes.

6.5 CVSS 3.0 Medium EPSS 7.5% · top 5.7% CWE-400 · Uncontrolled resource consumption
6.5CVSS 3.0 base score, v2 4.3
7.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The Content-Encoding HTTP header feature in ws-xmlrpc 3.1.3 as used in Apache Archiva allows remote attackers to cause a denial of service (resource consumption) by decompressing a large file containing zeroes.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2016/07/12/5 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/91736 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036294 Third Party Advisory
https://0ang3el.blogspot.in/2016/07/beware-of-ws-xmlrpc-library-in-your.html Third Party Advisory
https://github.com/0ang3el/unsafe-xmlrpc ExploitThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/12/5 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/91736 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036294 Third Party Advisory
https://0ang3el.blogspot.in/2016/07/beware-of-ws-xmlrpc-library-in-your.html Third Party Advisory
https://github.com/0ang3el/unsafe-xmlrpc ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-5004), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.