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CRITICAL

CVE-2021-46848

CVSS v3

9.1

CRITICAL

EPSS Score

2.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.

Technical details

Published
2022-10-24

Frequently asked questions

What is CVE-2021-46848?

GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.

Is CVE-2021-46848 actively exploited?

Active exploitation of CVE-2021-46848 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-46848?

CVE-2021-46848 has a CVSS v3 base score of 9.1 (CRITICAL severity).

Is CVE-2021-46848 affecting your environment?

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