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CVE-2026-81563

🗓️ 16 Sep 2026 14:00:04Reported by iscType 
cve
 cve
🔗 web.nvd.nist.gov👁 21 Views

Resource exhaustion in BIND 9 resolver via SVCB AliasMode with 14+ ServiceMode references.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-81563
16 Sep 202623:04
circl
cvelist
Cvelist
CVE-2026-81563 SVCB AliasMode additional-data error leaks qpcache references
16 Sep 202614:00
cvelist
debiancve
Debian CVE
CVE-2026-81563
16 Sep 202614:00
debiancve
euvd
EUVD
EUVD-2026-80770
16 Sep 202614:00
euvd
nvd
NVD
CVE-2026-81563
16 Sep 202614:17
nvd
osv
OSV
DEBIAN-CVE-2026-81563
16 Sep 202614:17
osv
osv
OSV
ECHO-8077-0C27-D434
16 Sep 202622:23
osv
osv
OSV
UBUNTU-CVE-2026-81563
17 Sep 202600:00
osv
redhatcve
RedhatCVE
CVE-2026-81563
16 Sep 202614:55
redhatcve
thn
The Hacker News
BIND 9 Update Fixes 14 Flaws, Including an Unauthenticated Crash Over DNS-over-HTTPS
17 Sep 202608:00
thn
Rows per page
CNA
Node
OR
iscbindRange9.18.09.18.50
iscbindRange9.20.09.20.27
iscbindRange9.21.09.21.25
iscbindRange9.18.11-s19.18.50-s1
iscbindRange9.20.9-s19.20.27-s1
[
  {
    "vendor": "ISC",
    "product": "BIND 9",
    "versions": [
      {
        "version": "9.18.0",
        "lessThanOrEqual": "9.18.50",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.20.0",
        "lessThanOrEqual": "9.20.27",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.21.0",
        "lessThanOrEqual": "9.21.25",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.18.11-S1",
        "lessThanOrEqual": "9.18.50-S1",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "9.20.9-S1",
        "lessThanOrEqual": "9.20.27-S1",
        "status": "affected",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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16 Sep 2026 19:27Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.17.5
EPSS0.0048
21