Lucene search
K

CVE-2026-40211

🗓️ 25 Jun 2026 12:23:55Reported by OXType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

CVE-2026-40211: DNS over HTTP/3 queries may cause denial of service by delaying buffer release.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40211
25 Jun 202612:23
attackerkb
Cvelist
CVE-2026-40211 Denial of service via crafted DoH3 queries
25 Jun 202612:23
cvelist
Debian CVE
CVE-2026-40211
25 Jun 202612:23
debiancve
EUVD
EUVD-2026-39350
25 Jun 202612:23
euvd
NVD
CVE-2026-40211
25 Jun 202613:16
nvd
Positive Technologies
PT-2026-52383
25 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-40211 Denial of service via crafted DoH3 queries
25 Jun 202612:23
vulnrichment
[
  {
    "vendor": "PowerDNS",
    "product": "DNSdist",
    "collectionURL": "https://repo.powerdns.com/",
    "packageName": "dnsdist",
    "repo": "https://github.com/PowerDNS/pdns",
    "modules": [
      "DNS over HTTP3"
    ],
    "programFiles": [
      "dnsdist-crypto.cc"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "1.9.0",
        "lessThan": "1.9.15",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "2.0.0",
        "lessThan": "2.0.7",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

25 Jun 2026 14:16Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.3
SSVC
4