TI-2024-37280 Aliases CVE-2024-56319 GHSA-fvch-763v-4hwx

Resource allocation without limits in Matter

HIGH 72CWE-770Published 2024-12-18 · Updated 2024-12-31

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. Impact type from CWE-770.

Summary

In Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0 before e3277eb, unlimited user label appends in a userlabel cluster can lead to a denial of service (resource exhaustion).

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00545 45th percentileScored 2026-11-07

Fix Fixed Matter (Matter): e3277eb

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
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

Vendor	Product	Affected versions	Fixed in	Status	Source
Matter	Matter	before e3277eb	e3277eb	Patch available	CNA

Matter VendorMatter Affected before e3277eb Fixed in e3277eb Patch available CNA

Remediation

Fix · CNA Matter (Matter) Fixed in e3277eb

Timeline

2026-10-02 Threatist record created from CVE-2024-56319
2026-10-03 Alias added: GHSA-fvch-763v-4hwx

References

Other 3

TI-2024-37279 NULL pointer dereference in Matter CVSS 3.1HIGH 7.5
TI-2024-37278 In Matter (aka connectedhomeip or Project CHIP) through 1.4.0.0, the WriteAcl function… CVSS 3.1HIGH 7.5

Sources

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