CVE-2020-37280

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
2026-10-15T02:45:06Z
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
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
Show details
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "1.0.4"
        }
    ],
    "source":  "DESCRIPTION"
}

Affected versions

v0.*
v0.0.3
v0.0.4
v1.*
v1.0.0
v1.0.3

Database specific

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