CVE-2025-56363: A null pointer dereference vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, affecting th

Q: How do I fix CVE-2025-56363?

matter: upgrade to 1.4.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-56363 being exploited?

CVE-2025-56363 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-56363 affect?

CVE-2025-56363 affects matter. Severity is medium (CVSS 5.7). A null pointer dereference vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, affecting the ReadRevisionAttribute function used in multiple clusters (Channel, Account Login, TargetNavigator, etc.). The function lacks pro

Q: How urgent is CVE-2025-56363?

Priority 33/100. Public exploit reference

Routine

MEDIUM 5.7UPGRADE

CVE-2025-56363 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 null pointer dereference vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, affecting the ReadRevisionAttribute function used in multiple clusters (Channel, Account Login, TargetNavigator, etc.). The function lacks proper validation of the delegate pointer before dereferencing. A remote unauthenticated attacker can exploit this issue by sending a crafted read request, causing the device to crash (denial of service). This iss

Why this priority

Public exploit reference

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	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-476
Published	2026-07-14
Last modified	2026-10-13

Publisher (CNA): MITRE · Vendor: csa-iot

Last updated 2026-10-13 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-14 23:17 UTCPublished CVE record published
2026-10-13 10:10 UTCUpdated Record last modified

csa-iot matter UPGRADE

Affected: < 1.4.0.0

Fixed in: 1.4.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy matter || rpm -q matter || matter --version

2. UPGRADE to 1.4.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade matter

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade matter

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2025-56363?

matter: upgrade to 1.4.0.0. Exact commands for each OS are on this page.

Is CVE-2025-56363 being exploited?

CVE-2025-56363 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-2025-56363 affect?

CVE-2025-56363 affects matter. Severity is medium (CVSS 5.7). A null pointer dereference vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, affecting the ReadRevisionAttribute function used in multiple clusters (Channel, Account Login, TargetNavigator, etc.). The function lacks pro

How urgent is CVE-2025-56363?

Priority 33/100. Public exploit reference

Related CVEs

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
CVE-2025-56365 MEDIUM 5.7 UPGRADE A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, in the interactio
CVE-2025-56364 MEDIUM 5.7 UPGRADE A use of uninitialized value vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, where the

References

← Back to latest CVEs