CVE-2024-26134 HIGH

CVE-2024-26134: CBOR2 decoder has potential buffer overflow

Vendor Agronholm
Product cbor2
Weakness CWE-120
Published February 19, 2024
Last update February 13, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 19, 2024 CVE published
February 13, 2025 Record updated