CVE-2021-46848: Debian Linux

Critical severity, CVSS 9.1. EPSS: 2.2% chance of exploitation in the next 30 days.

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

Affected products

• Debian Debian Linux: version 10.0 only
• Fedoraproject Fedora: version 35 only; version 36 only; version 37 only
• GNU LIBTASN1: before 4.19.0 (fixed in 4.19.0)

Published 2022-10-24. Last modified 2026-06-17.