PatchTheCVECVE-2025-56364: A use of uninitialized value vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, where the
CVE-2025-56364 is a medium-severity flaw (CVSS 5.7) affecting matter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A use of uninitialized value vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, where the `GetDestinationGroupId().Value()` method is called without first checking whether a value exists. This leads to a crash when an InvokeCommand is sent without initializing the destination group ID. The issue affects all versions before commit 0360cc3 (Dec 5, 2024) and leads to denial of service through SIGABRT. It is fixed by adding a .Has
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.7 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 91%) |
| CISA exploited list | No |
| Weakness | CWE-457 |
| Published | 2026-07-14 |
| Last modified | 2026-10-13 |
Last updated 2026-10-13 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-56364?
matter: upgrade to 1.4.0.0. Exact commands for each OS are on this page.
Is CVE-2025-56364 being exploited?
CVE-2025-56364 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-56364 affect?
CVE-2025-56364 affects matter. Severity is medium (CVSS 5.7). A use of uninitialized value vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, where the `GetDestinationGroupId().Value()` method is called without first checking whether a value exists. This leads to a crash when an In
How urgent is CVE-2025-56364?
Priority 22/100. No elevated risk signals yet.
Related CVEs
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- CVE-2025-56361 MEDIUM 5.7 DOWNGRADE A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) 1.3 thru 1.4, specifically with
- CVE-2025-56362 MEDIUM 5.7 DOWNGRADE A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.2, specifically with
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