CVE-2024-21909

7.5 HIGH
Published: January 03, 2024 Modified: November 28, 2025

Description

PeterO.Cbor versions 4.0.0 through 4.5.0 are vulnerable to a denial of service vulnerability. An attacker may trigger the denial of service condition by providing crafted data to the DecodeFromBytes or other decoding mechanisms in PeterO.Cbor. Depending on the usage of the library, an unauthenticated and remote attacker may be able to cause the denial of service condition.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/advisories/GHSA-6r92-cgxc-r5fg
Source: disclosure@vulncheck.com
Third Party Advisory
https://github.com/peteroupc/CBOR/compare/v4.5...v4.5.1
Source: disclosure@vulncheck.com
Release Notes
https://github.com/peteroupc/CBOR/security/advisories/GHSA-6r92-cgxc-r5fg
Source: disclosure@vulncheck.com
Third Party Advisory
https://vulncheck.com/advisories/vc-advisory-GHSA-6r92-cgxc-r5fg
Source: disclosure@vulncheck.com
Third Party Advisory
https://github.com/advisories/GHSA-6r92-cgxc-r5fg
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://github.com/peteroupc/CBOR/compare/v4.5...v4.5.1
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
https://github.com/peteroupc/CBOR/security/advisories/GHSA-6r92-cgxc-r5fg
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://vulncheck.com/advisories/vc-advisory-GHSA-6r92-cgxc-r5fg
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.3%
51th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

peteroupc