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CVE-2026-32665 Remote DNS-over-QUIC denial of service due to `quic-size` budget bypass

🗓️ 22 Jul 2026 13:04:18Reported by NLnet LabsType 
cvelist
 cvelist
🔗 www.cve.org👁 43 Views

Remote DoQ denial of service in Unbound via quic-size bypass on streams, causing memory exhaustion.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-32665
22 Jul 202613:04
attackerkb
cbl_mariner
CBLMariner
CVE-2026-32665 affecting package unbound for versions less than 1.25.2-1
23 Jul 202620:32
cbl_mariner
cve
CVE
CVE-2026-32665
22 Jul 202613:04
cve
debiancve
Debian CVE
CVE-2026-32665
22 Jul 202613:04
debiancve
euvd
EUVD
EUVD-2026-47663
22 Jul 202613:04
euvd
freebsd
FreeBSD
unbound -- multiple vulnerabilities
22 Jul 202600:00
freebsd
fedora
Fedora
[SECURITY] Fedora 43 Update: unbound-1.25.2-1.fc43
31 Jul 202601:15
fedora
fedora
Fedora
[SECURITY] Fedora 44 Update: unbound-1.25.2-1.fc44
30 Jul 202601:18
fedora
nessus
Tenable Nessus
Fedora 43 : unbound (2026-3170ee6a1c)
31 Jul 202600:00
nessus
nessus
Tenable Nessus
Fedora 44 : unbound (2026-e495bd59ef)
30 Jul 202600:00
nessus
Rows per page
[
  {
    "vendor": "NLnet Labs",
    "product": "Unbound",
    "versions": [
      {
        "version": "1.22.0",
        "status": "affected",
        "lessThan": "1.25.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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