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CVE-2026-15892

🗓️ 13 Sep 2026 22:46:16Reported by zephyrType 
cve
 cve
🔗 web.nvd.nist.gov👁 32 Views🌐 WEB

Heap leak in mcumgr settings handlers on access-hook rejection leads to DoS via heap exhaustion.

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Node
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "subsys/mgmt/mcumgr/grp/settings_mgmt/src/settings_mgmt.c"
    ],
    "programRoutines": [
      {
        "name": "settings_mgmt_delete"
      },
      {
        "name": "settings_mgmt_read"
      },
      {
        "name": "settings_mgmt_write"
      }
    ],
    "versions": [
      {
        "version": "3.5.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.4.2"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
key_namerequest bodysettings_mgmt_readHeap memory leak in mcumgr settings management read handler when heap buffer is used and access hook rejects the request, bypassing end: and leaking allocated buffers on every rejected request, leading to DoS via heap exhaustion.CWE-401
datarequest bodysettings_mgmt_readHeap memory leak in mcumgr settings management read handler when heap buffer is used and access hook rejects the request, bypassing end: and leaking allocated buffers on every rejected request, leading to DoS via heap exhaustion.CWE-401
key_namerequest bodysettings_mgmt_writeHeap memory leak in mcumgr settings management write handler when heap buffer is used and access hook rejects the request, bypassing end: and leaking allocated buffers on every rejected request, leading to DoS via heap exhaustion.CWE-401
datarequest bodysettings_mgmt_writeHeap memory leak in mcumgr settings management write handler when heap buffer is used and access hook rejects the request, bypassing end: and leaking allocated buffers on every rejected request, leading to DoS via heap exhaustion.CWE-401
key_namerequest bodysettings_mgmt_deleteHeap memory leak in mcumgr settings management delete handler when heap buffer is used and access hook rejects the request, bypassing end: and leaking allocated buffers on every rejected request, leading to DoS via heap exhaustion.CWE-401

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14 Sep 2026 21:10Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.3
EPSS0.00275
SSVC
32