CVE-2021-46848

moderate-risk

Published 2022-10-24

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

Do I need to act?

0.63% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.1/10 Critical

NETWORK / LOW complexity

Libtasn1

Fedora

Debian Linux

Debian Gnu Fedoraproject

Issue Tracking https://bugs.gentoo.org/866237

Patch https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207...

Exploit https://gitlab.com/gnutls/libtasn1/-/issues/32

Mailing List https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html

Third Party Advisory https://security.netapp.com/advisory/ntap-20221118-0006/

Issue Tracking https://bugs.gentoo.org/866237

Patch https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207...

Exploit https://gitlab.com/gnutls/libtasn1/-/issues/32

Mailing List https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html

Third Party Advisory https://security.netapp.com/advisory/ntap-20221118-0006/

/ 100

moderate-risk

Severity 31/34 · Critical

Exploitability 2/34 · Minimal

Exposure 12/34 · Low