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CVE-2024-26134

nvd nist
Published: Feb 19, 2024Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

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.

Affected (4)

Agronholm
1 product
Cbor2
Fedoraproject
1 product
Fedora
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Cbor2
From 5.5.1 to 5.6.2
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Fedoraproject
Fedora
Version 38
Fedora
Version 39
Fedora
Version 40

Related CWEs

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (16)

Source: security-advisories@github.com
Product
Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Issue Tracking
Source: security-advisories@github.com
Release Notes
Source: security-advisories@github.com
ExploitVendor Advisory
Source: security-advisories@github.com
Mailing List
Source: security-advisories@github.com
Mailing List
Source: security-advisories@github.com
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Product
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List

Timeline

No history available yet.