CVE-2026-0619 PUBLISHED

Integer Wraparound DoS in Silicon Labs Matter Implementation

Assigner: Silabs
Reserved: 05.01.2026 Published: 12.02.2026 Updated: 12.02.2026

A reachable infinite loop via an integer wraparound is present in Silicon Labs' Matter SDK which allows an attacker to trigger a denial of service. A hard reset is required to recover the device.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
CVSS Score: 6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	High	Availability	Low
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	silabs.com
Product	Silicon Labs Matter
Versions	Default: unaffected affected from 2.7.0 to 2.8.0 (excl.)

References

https://community.silabs.com/068Vm00000gUB2g

Problem Types

CWE-190 Integer Overflow or Wraparound CWE
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop') CWE

Impacts

CAPEC-128 Integer Attacks