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CVE-2026-81038 Bluetooth OTS server discloses uninitialized stack memory in failed Calculate Checksum responses

🗓️ 26 Oct 2026 16:08:50Reported by zephyrType 
cvelist
 cvelist
🔗 www.cve.org👁 2 Views

Unauthenticated Bluetooth OTS server discloses uninitialized stack memory in responses.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-81038
26 Oct 202616:32
–circl
cve
CVE
CVE-2026-81038
26 Oct 202616:08
–cve
euvd
EUVD
EUVD-2026-109972
26 Oct 202616:08
–euvd
nvd
NVD
CVE-2026-81038
26 Oct 202617:17
–nvd
vulnrichment
Vulnrichment
CVE-2026-81038 Bluetooth OTS server discloses uninitialized stack memory in failed Calculate Checksum responses
26 Oct 202616:08
–vulnrichment
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "subsys/bluetooth/services/ots/ots_oacp.c"
    ],
    "programRoutines": [
      {
        "name": "bt_gatt_ots_oacp_write"
      },
      {
        "name": "oacp_ind_send"
      }
    ],
    "versions": [
      {
        "version": "3.3.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "4.4.2"
      }
    ]
  }
]

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