CVE-2020-37280

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Source

https://cve.org/CVERecord?id=CVE-2020-37280

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-37280.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2020-37280

Published

2026-10-12T21:17:05Z

Modified

2026-10-24T02:30:43Z

Severity

8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator

Summary

[none]

Details

cbor-sync through 1.0.4 contains a resource exhaustion vulnerability in CBOR.decode that trusts declared array and map lengths without checking remaining input. Remote attackers can supply a tiny crafted CBOR payload declaring huge lengths to drive billions of iterations, exhausting CPU and process memory.

References

Affected packages

Git / github.com/pelioniot/cbor-sync

Affected ranges

Type

GIT

Repo

https://github.com/pelioniot/cbor-sync

Events

Introduced

Last Affected

35fdf44ce469ec34b7985f8463c806876fdb8d31

Database specific

Show details

{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "last_affected": "1.0.4"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}

Affected versions

v0.*

v0.0.3

v0.0.4

v1.*

v1.0.0

v1.0.3

v1.0.4

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-37280.json"