What’s Vulnerable › Vulnerabilities

CVE-2024-23684: upokecenter CBOR Denial of Service

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-19 · updated 2026-07-14
• Weakness: CWE-407

Description

Inefficient algorithmic complexity in DecodeFromBytes function in com.upokecenter.cbor Java implementation of Concise Binary Object Representation (CBOR) versions 4.0.0 to 4.5.1 allows an attacker to cause a denial of service by passing a maliciously crafted input. Depending on an application's use of this library, this may be a remote attacker.

Affected products

• Peteroupc Cbor: from 4.0.0 before 4.5.1 — fixed in 4.5.1

How to fix

Upgrade to a fixed version: Peteroupc Cbor 4.5.1. Check the vendor advisory for mitigations.

References

• https://github.com/advisories/GHSA-fj2w-wfgv-mwq6
• https://github.com/peteroupc/CBOR-Java/security/advisories/GHSA-fj2w-wfgv-mwq6
• https://vulncheck.com/advisories/vc-advisory-GHSA-fj2w-wfgv-mwq6
• https://github.com/advisories/GHSA-fj2w-wfgv-mwq6
• https://github.com/peteroupc/CBOR-Java/security/advisories/GHSA-fj2w-wfgv-mwq6
• https://vulncheck.com/advisories/vc-advisory-GHSA-fj2w-wfgv-mwq6

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