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.

CVSS 3.1

9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS

2.8% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-25)

CWE

CWE-193

Published

2022-10-24

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• debian:debian_linux
• fedoraproject:fedora
• gnu:libtasn1

References

• https://bugs.gentoo.org/866237
• https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207aeb5
• https://gitlab.com/gnutls/libtasn1/-/issues/32
• https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AV4SHDJF2XLB4CUPTBPQQ6CLGZ5LKXPZ/

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