CVE-2021-39176

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

1.89% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 77.7% of scored records. A rank, not a probability.

NVD base score

7.5 (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: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

2021-08-31 18:05Z5 YR AGO

Last updated

2024-08-04 01:58Z2 YR AGO

Reserved

2021-08-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.1

Document digest

9642725ecb9ef2b6cfbfa14ee27181fa4d1ed320e6b02bcb8e547cddcd848786

• github.comhttps://github.com/sonicdoe/detect-character-encoding/security/advisories/GHSA-5rwj-j5m3-3chjx_refsource_CONFIRM
• github.comhttps://github.com/sonicdoe/detect-character-encoding/pull/6x_refsource_MISC
• github.comhttps://github.com/sonicdoe/detect-character-encoding/commit/d44356927b92e3b13e178071bf6d7c671766f588x_refsource_MISC
• github.comhttps://github.com/sonicdoe/detect-character-encoding/releases/tag/v0.3.1x_refsource_MISC