CVE-2016-5851

high

Description

python-docx before 0.8.6 allows context-dependent attackers to conduct XML External Entity (XXE) attacks via a crafted document.

References

Advisories
More

http://www.securityfocus.com/bid/91485

http://www.openwall.com/lists/oss-security/2016/06/28/8

http://www.openwall.com/lists/oss-security/2016/06/28/7

https://github.com/advisories/GHSA-34wj-p5jm-2p96

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XU2WSYRNB7CLBBFCGSX34XHACTA2SWDZ/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FFMOH7ZPOPQWNJGUZOS5LXX4MGNRXXT/

https://github.com/python-openxml/python-docx/commit/61b40b161b64173ab8e362aec1fd197948431beb

https://github.com/python-openxml/python-docx/blob/v0.8.6/HISTORY.rst

https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-0027

Details

Source: Mitre, NVD

Published: 2016-12-21

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.02354