---
cve: "CVE-2020-28491"
severity: "HIGH"
cvss: 7.5
epss: "3.1%"
vendor: "n/a"
kev: false
exploited: false
published: "2021-02-18 16:15:13"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T10:04:48+02:00"
---

# CVE-2020-28491

> 7.5 HIGH · 🧪 PoC

## Beschreibung

This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer can cause a java.lang.OutOfMemoryError exception.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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 | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- f2c09e1f3f45a7dbe435f32f3efb5700fcb7ff32 (Commit)
- 315066c1aa3c14bca5d09aa8058c1dbf53fa53d8 (Commit)

## Referenzen

- <https://snyk.io/vuln/SNYK-JAVA-COMFASTERXMLJACKSONDATAFORMAT-1047329>
- <https://github.com/FasterXML/jackson-dataformats-binary/issues/186>
- <https://github.com/FasterXML/jackson-dataformats-binary/commit/de072d314af8f5f269c8abec6930652af67bc8e6>
- <https://www.oracle.com/security-alerts/cpujul2022.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-28491) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_
