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CVE-2026-24030 Unbounded memory allocation for DoQ and DoH3

🗓️ 31 Mar 2026 12:01:00Reported by OXType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

An attacker can trigger excessive memory use in DNSdist during DNS over QUIC or HTTP/3, causing denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
DNSdist -- vulnerabilities
31 Mar 202600:00
freebsd
ATTACKERKB
CVE-2026-24030
31 Mar 202612:01
attackerkb
AlpineLinux
CVE-2026-24030
31 Mar 202612:01
alpinelinux
Circl
CVE-2026-24030
10 Apr 202611:12
circl
CNNVD
PowerDNS DNSdist 安全漏洞
31 Mar 202600:00
cnnvd
CVE
CVE-2026-24030
31 Mar 202612:01
cve
Debian
[SECURITY] [DSA 6235-1] dnsdist security update
28 Apr 202619:03
debian
Debian CVE
CVE-2026-24030
31 Mar 202612:01
debiancve
Tenable Nessus
Debian dsa-6235 : dnsdist - security update
29 Apr 202600:00
nessus
Tenable Nessus
Fedora 44 : dnsdist (2026-519446405a)
28 Apr 202600:00
nessus
Rows per page
[
  {
    "collectionURL": "https://repo.powerdns.com/",
    "defaultStatus": "unaffected",
    "modules": [
      "Incoming DNS over QUIC",
      "Incoming DNS over HTTP/3"
    ],
    "packageName": "dnsdist",
    "product": "DNSdist",
    "programFiles": [
      "doq.cc",
      "doh3.cc"
    ],
    "repo": "https://github.com/PowerDNS/pdns",
    "vendor": "PowerDNS",
    "versions": [
      {
        "lessThan": "1.9.12",
        "status": "affected",
        "version": "1.9.0",
        "versionType": "semver"
      },
      {
        "lessThan": "2.0.3",
        "status": "affected",
        "version": "2.0.0",
        "versionType": "semver"
      }
    ]
  }
]

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