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CVE-2026-33595

🗓️ 22 Apr 2026 13:47:55Reported by OXType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Excessive memory use from many error responses on a single DoQ and DoH3 connection.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
AlpineLinux
CVE-2026-33595
22 Apr 202613:47
alpinelinux
CNNVD
PowerDNS DNSdist 安全漏洞
22 Apr 202600:00
cnnvd
Cvelist
CVE-2026-33595 DoQ/DoH3 excessive memory allocation
22 Apr 202613:47
cvelist
Debian
[SECURITY] [DSA 6235-1] dnsdist security update
28 Apr 202619:03
debian
Debian CVE
CVE-2026-33595
22 Apr 202613:47
debiancve
Tenable Nessus
Debian dsa-6235 : dnsdist - security update
29 Apr 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-33595
22 Apr 202600:00
nessus
EUVD
EUVD-2026-24933
22 Apr 202615:31
euvd
NVD
CVE-2026-33595
22 Apr 202614:16
nvd
OPENSUSE Linux
dnsdist-2.0.5-1.1 on GA media (moderate)
29 Apr 202600:00
opensuse
Rows per page
NVD
Node
powerdnsdnsdistRange1.9.01.9.13
OR
powerdnsdnsdistRange2.0.02.0.4
[
  {
    "vendor": "PowerDNS",
    "product": "DNSdist",
    "collectionURL": "https://repo.powerdns.com/",
    "packageName": "dnsdist",
    "repo": "https://github.com/PowerDNS/pdns",
    "modules": [
      "DNS over QUIC",
      "DNS over HTTP3"
    ],
    "programFiles": [
      "doq.cc",
      "doh3.cc"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "1.9.0",
        "lessThan": "1.9.13",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "2.0.0",
        "lessThan": "2.0.4",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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24 Apr 2026 18:49Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3 - 7.5
EPSS0.00005
SSVC
6