Bob13

**Name of the Vulnerable Software and Affected Versions** Matter (aka connectedhomeip or Project CHIP) versions 1.4.0.0 and earlier, before e3277eb **Description** The issue is related to unlimited user label appends in a userlabel cluster, which can lead to a denial of service due to resource exhaustion. **Recommendations** For Matter (aka connectedhomeip or Project CHIP) versions 1.4.0.0 and earlier, before e3277eb, consider restricting the number of user label appends in a userlabel cluster to prevent resource exhaustion until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.