---
cve: "CVE-2024-26134"
severity: "HIGH"
cvss: 7.5
epss: "1.2%"
vendor: "agronholm"
kev: false
exploited: false
published: "2024-02-19 23:15:07"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T06:30:48+02:00"
---

# CVE-2024-26134

> 7.5 HIGH · 🧪 PoC

## Beschreibung

cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 8949) serialization format. Starting in version 5.5.1 and prior to version 5.6.2, an attacker can crash a service using cbor2 to parse a CBOR binary by sending a long enough object. Version 5.6.2 contains a patch for this issue.

## 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)

- 21e0debcf8ddf9d6034a3bb0d01477f3b855e166 (Commit)
- 387755eacf0be35591a478d3c67fe10618a6d542 (Commit)

## Referenzen

- <https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m>
- <https://github.com/agronholm/cbor2/pull/204>
- <https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542>
- <https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df>
- <https://github.com/agronholm/cbor2/releases/tag/5.6.2>
- <https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/>
- <https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/>
- <https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2024-26134) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_