---
cve: "CVE-2021-46848"
severity: "CRITICAL"
cvss: 9.1
epss: "2.1%"
vendor: "n/a"
kev: false
exploited: false
published: "2022-10-24 14:15:49"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T22:06:47+02:00"
---

# CVE-2021-46848

> 9.1 CRITICAL

## Beschreibung

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

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 2b7ee166f031bea63c5e7badcedc69f1cea69c89 (Commit)
- 44a700d2051a666235748970c2df047ff207aeb5 (Commit)

## Referenzen

- <https://gitlab.com/gnutls/libtasn1/-/commit/44a700d2051a666235748970c2df047ff207aeb5>
- <https://gitlab.com/gnutls/libtasn1/-/issues/32>
- <https://bugs.gentoo.org/866237>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGO7XST4EIJGX4B2ITZCYSWM24534BSU/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AV4SHDJF2XLB4CUPTBPQQ6CLGZ5LKXPZ/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V5LWOGF7QRMNFRUCZY6TDYQJVFI6MOQ2/>
- <https://security.netapp.com/advisory/ntap-20221118-0006/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ECM2ELTVRYV4BZ5L5GMIRQE27RFHPAQ6/>
- <https://lists.debian.org/debian-lts-announce/2023/01/msg00003.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-46848) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_