CVE-2017-16840

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

3.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 87.5% 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:3.1/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 2026-06-17.

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

2017-11-21 08:00Z8 YR AGO

Last updated

2024-08-05 20:35Z2 YR AGO

Reserved

2017-11-15

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

71314246197cb4add9e67fe01605af2ec8b746297882b87410f2b4d269649c18

• git.videolan.orghttp://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=a94cb36ab2ad99d3a1331c9f91831ef593d94f74x_refsource_MISC
• www.securityfocus.com101924http://www.securityfocus.com/bid/101924vdb-entryx_refsource_BID
• www.debian.orgDSA-4049https://www.debian.org/security/2017/dsa-4049vendor-advisoryx_refsource_DEBIAN
• github.comhttps://github.com/FFmpeg/FFmpeg/commit/94e538aebbc9f9c529e8b1f2eda860cfb8c473b1x_refsource_CONFIRM