CVE-2021-38114

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

1.03% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 61.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-08-04 20:15Z5 YR AGO

Last updated

2024-08-04 01:30Z2 YR AGO

Reserved

2021-08-04

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-252Unchecked Return ValueBase

Data version

5.1

Document digest

a5ad888e6be3928a9502f51ec404590bad0651081510d2ec121a468c9f31f879

• github.comhttps://github.com/FFmpeg/FFmpeg/commit/7150f9575671f898382c370acae35f9087a30ba1x_refsource_MISC
• patchwork.ffmpeg.orghttps://patchwork.ffmpeg.org/project/ffmpeg/patch/PAXP193MB12624C21AE412BE95BA4D4A4B6F09%40PAXP193MB1262.EURP193.PROD.OUTLOOK.COM/x_refsource_MISC
• lists.debian.org[debian-lts-announce] 20210815 [SECURITY] [DLA 2742-1] ffmpeg security updatehttps://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlmailing-listx_refsource_MLIST
• www.debian.orgDSA-4990https://www.debian.org/security/2021/dsa-4990vendor-advisoryx_refsource_DEBIAN
• www.debian.orgDSA-4998https://www.debian.org/security/2021/dsa-4998vendor-advisoryx_refsource_DEBIAN