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CVE-2026-15893 Zephyr IPv6 Neighbor Discovery zero reachable time from crafted Router Advertisement causes assertion/DoS

🗓️ 14 Sep 2026 18:49:55Reported by zephyrType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

Zero reachable time in Zephyr IPv6 Neighbor Discovery from crafted RA causes assertion DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-15893
14 Sep 202618:49
cve
euvd
EUVD
EUVD-2026-77767
14 Sep 202618:49
euvd
nvd
NVD
CVE-2026-15893
14 Sep 202619:17
nvd
ptsecurity
Positive Technologies
PT-2026-91392
14 Sep 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-15893 Zephyr IPv6 Neighbor Discovery zero reachable time from crafted Router Advertisement causes assertion/DoS
14 Sep 202618:49
vulnrichment
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "subsys/net/ip/net_if.c"
    ],
    "programRoutines": [
      {
        "name": "net_if_ipv6_calc_reachable_time"
      },
      {
        "name": "net_ipv6_nbr_set_reachable_timer"
      }
    ],
    "versions": [
      {
        "version": "1.7.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.4.2"
      }
    ]
  }
]

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