CVE-2026-0619 Integer Wraparound DoS in Silicon Labs Matter Implementation
An attacker can cause a denial of service via an integer wraparound leading to an infinite loop in the Silicon Labs Matter SDK, requiring a hard reset.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0619?
CVE-2026-0619 is a medium-severity vulnerability in silabs.com Silicon Labs Matter, published on 12 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-0619?
How do I fix CVE-2026-0619?
No fix has been published for CVE-2026-0619 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-0619 being exploited?
There is no known exploitation of CVE-2026-0619 in the wild and no public exploit code.
Sources
Also known as GHSA-qg3j-47pf-jpxw.