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TI-2024-14569 Aliases CVE-2024-21909GHSA-6r92-cgxc-r5fg

Denial of service in CBOR library

Priority MEDIUM 41CWE-407Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-407.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01061 64th percentileScored 2026-11-07
Fix Fixed PeterO.Cbor: 4.5.1PeterO.Cbor (NuGet): 4.5.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—PeterO.Cbor4.0.0 to before 4.5.14.5.1Patch availableCNA
—PeterO.Cbor (NuGet)4.0.0 to before 4.5.14.5.1Patch availableGHSA-6r92-cgxc-r5fg
  • PeterO.Cbor Vendor— Affected 4.0.0 to before 4.5.1 Fixed in 4.5.1 Patch available CNA
  • PeterO.Cbor (NuGet) Vendor— Affected 4.0.0 to before 4.5.1 Fixed in 4.5.1 Patch available GHSA-6r92-cgxc-r5fg

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:peteroupc:cbor:*:*:*:*:*:.net:*:*4.0.0 to before 4.5.1VulnerablePeteroupc
  • cpe:2.3:a:peteroupc:cbor:*:*:*:*:*:.net:*:* Versions 4.0.0 to before 4.5.1 Vulnerable ·Peteroupc

Remediation

  • Fix · CNA PeterO.Cbor Fixed in 4.5.1
  • Fix · GHSA-6r92-cgxc-r5fg PeterO.Cbor (NuGet) Fixed in 4.5.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-21909
  2. 2026-10-03 Alias added: GHSA-6r92-cgxc-r5fg

References

Patch 1

Advisory 2

Other 2

  • TI-2024-15702 upokecenter CBOR Denial of Service CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences