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CVE-2026-12632 Out-of-bounds read in Zephyr PTP message parsing from unvalidated message type

🗓️ 18 Aug 2026 20:55:43Reported by zephyrType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Unauthenticated out-of-bounds read in Zephyr PTP ptp_msg_post_recv() causes DoS via unvalidated message type indexing.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-12632
18 Aug 202620:55
cve
euvd
EUVD
EUVD-2026-61492
18 Aug 202620:55
euvd
nvd
NVD
CVE-2026-12632
18 Aug 202621:16
nvd
ptsecurity
Positive Technologies
PT-2026-77336
18 Aug 202600:00
ptsecurity
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "subsys/net/lib/ptp/msg.c"
    ],
    "versions": [
      {
        "version": "3.7.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.4.2"
      }
    ]
  }
]

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