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CVE-2026-53922 odhcpd: pre-auth remote DoS via size_t underflow in dhcpv6_ia_handle_IAs (stack BOF, canary-terminated)

🗓️ 12 Oct 2026 21:31:24Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

Pre-auth remote DoS in odhcpd via size_t underflow in dhcpv6_ia_handle_IAs.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-53922
12 Oct 202622:06
–circl
cve
CVE
CVE-2026-53922
12 Oct 202621:31
–cve
euvd
EUVD
EUVD-2026-97968
12 Oct 202621:31
–euvd
mend
Mend
CVE-2026-53922
12 Oct 202621:31
–mend
nvd
NVD
CVE-2026-53922
12 Oct 202622:17
–nvd
ptsecurity
Positive Technologies
PT-2026-110986
12 Oct 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2026-53922 odhcpd: pre-auth remote DoS via size_t underflow in dhcpv6_ia_handle_IAs (stack BOF, canary-terminated)
12 Oct 202621:31
–vulnrichment
[
  {
    "vendor": "openwrt",
    "product": "odhcpd",
    "versions": [
      {
        "version": "< c6792bac3905d4bf726d914e9994f6d4b98c5b57",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "openwrt",
    "product": "openwrt",
    "versions": [
      {
        "version": "< 25.12.5",
        "status": "affected"
      }
    ]
  }
]

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