CVE-2016-5851

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 82.2% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2016-12-21 00:00Z9 YR AGO

Last updated

2024-08-06 01:15Z2 YR AGO

Reserved

2016-06-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-611Improper Restriction of XML External Entity ReferenceBase

Data version

5.1

Document digest

86cdb7aeb68f73a19a113fab53ffd16d41859e17e75d4216cd3e090649064265

• www.openwall.com[oss-security] 20160628 CVE request - python-docx 0.8.5 - XXEhttp://www.openwall.com/lists/oss-security/2016/06/28/7mailing-list
• www.openwall.com[oss-security] 20160628 Re: CVE request - python-docx 0.8.5 - XXEhttp://www.openwall.com/lists/oss-security/2016/06/28/8mailing-list
• github.comhttps://github.com/python-openxml/python-docx/blob/v0.8.6/HISTORY.rst
• www.securityfocus.com91485http://www.securityfocus.com/bid/91485vdb-entry
• lists.fedoraproject.orgFEDORA-2021-aa54748cd9https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6FFMOH7ZPOPQWNJGUZOS5LXX4MGNRXXT/vendor-advisory
• lists.fedoraproject.orgFEDORA-2021-aa6ebc01behttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XU2WSYRNB7CLBBFCGSX34XHACTA2SWDZ/vendor-advisory
• github.comhttps://github.com/python-openxml/python-docx/commit/61b40b161b64173ab8e362aec1fd197948431beb