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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