CVE-2021-46848
criticalGNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.
Vendor / product: Gnu — libtasn1
GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that affects asn1_encode_simple_der.
CVSS
9.1
9.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2022-10-24 14:15
Modified: 2026-10-14 13:17
NVD status: Modified
Last synced 3 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
gnu / libtasn1 <4.19.0
fedoraproject / fedora 35, 36, 37
debian / debian_linux 10.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://bugs.gentoo.org/866237
Patch / mitigation: https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207aeb5
Patch / mitigation: https://bugs.gentoo.org/866237
References
- https://bugs.gentoo.org/866237 cve@mitre.org
- https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207aeb5 cve@mitre.org
- https://gitlab.com/gnutls/libtasn1/-/issues/32 cve@mitre.org
- https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html cve@mitre.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... cve@mitre.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... cve@mitre.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... cve@mitre.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... cve@mitre.org
- https://security.netapp.com/advisory/ntap-20221118-0006/ cve@mitre.org
- https://bugs.gentoo.org/866237 af854a3a-2127-422b-91ae-364da2661108
- https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207aeb5 af854a3a-2127-422b-91ae-364da2661108
- https://gitlab.com/gnutls/libtasn1/-/issues/32 af854a3a-2127-422b-91ae-364da2661108
- https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html af854a3a-2127-422b-91ae-364da2661108
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... af854a3a-2127-422b-91ae-364da2661108
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... af854a3a-2127-422b-91ae-364da2661108
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... af854a3a-2127-422b-91ae-364da2661108
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/m... af854a3a-2127-422b-91ae-364da2661108
- https://security.netapp.com/advisory/ntap-20221118-0006/ af854a3a-2127-422b-91ae-364da2661108
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗