CVE-2017-16931

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

4.58% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 91.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-10-14.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2017-11-23 21:00Z8 YR AGO

Last updated

2026-10-14 06:30Z15 DAYS AGO

Reserved

2017-11-23

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.2

Document digest

1f1cf5471091eb38f126eaaa8b3dd981e8c92766579498a2ca72c310fb2a3183

• lists.debian.org[debian-lts-announce] 20171130 [SECURITY] [DLA 1194-1] libxml2 security updatehttps://lists.debian.org/debian-lts-announce/2017/11/msg00041.htmlmailing-listx_refsource_MLIST
• www.oracle.comhttps://www.oracle.com//security-alerts/cpujul2021.htmlx_refsource_MISC
• bugzilla.gnome.orghttps://bugzilla.gnome.org/show_bug.cgi?id=766956x_refsource_CONFIRM
• xmlsoft.orghttp://xmlsoft.org/news.htmlx_refsource_CONFIRM
• github.comhttps://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3x_refsource_CONFIRM
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-398330.html