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CVE-2026-27623 Valkey has Pre-Authentication DOS from malformed RESP request

🗓️ 23 Feb 2026 19:43:45Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Valkey pre-authentication denial of service caused by malformed RESP requests; fixed in version nine zero three; isolate deployments.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-27623
23 Feb 202619:43
attackerkb
AlpineLinux
CVE-2026-27623
23 Feb 202619:43
alpinelinux
Circl
CVE-2026-27623
23 Feb 202620:30
circl
CNNVD
Valkey 输入验证错误漏洞
23 Feb 202600:00
cnnvd
CVE
CVE-2026-27623
23 Feb 202619:43
cve
Debian CVE
CVE-2026-27623
23 Feb 202619:43
debiancve
Fedora
[SECURITY] Fedora 44 Update: valkey-9.0.3-1.fc44
7 Mar 202600:33
fedora
Tenable Nessus
Fedora 44 : valkey (2026-ca1077dd2e)
7 Mar 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-27623
24 Feb 202600:00
nessus
NVD
CVE-2026-27623
23 Feb 202620:28
nvd
Rows per page
[
  {
    "vendor": "valkey-io",
    "product": "valkey",
    "versions": [
      {
        "version": ">= 9.0.0, < 9.0.3",
        "status": "affected"
      }
    ]
  }
]

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