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HIGH

CVE-2021-39176

CVSS v3

7.5

HIGH

EPSS Score

1.9 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

detect-character-encoding is a package for detecting character encoding using ICU. In detect-character-encoding v0.3.0 and earlier, allocated memory is not released. The problem has been patched in detect-character-encoding v0.3.1.

Technical details

Published
2021-08-31

Frequently asked questions

What is CVE-2021-39176?

detect-character-encoding is a package for detecting character encoding using ICU. In detect-character-encoding v0.3.0 and earlier, allocated memory is not released. The problem has been patched in detect-character-encoding v0.3.1.

Is CVE-2021-39176 actively exploited?

Active exploitation of CVE-2021-39176 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-39176?

CVE-2021-39176 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-39176 affecting your environment?

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