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CVE-2026-76489

🗓️ 21 Oct 2026 16:17:23Reported by ciscoType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Unauthenticated remote DoS in Cisco Snort 3 via memory exhaustion during file processing.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-76489 Multiple Cisco Products Snort 3 Generic File Processing Memory Exhaustion Denial of Service Vulnerability
21 Oct 202616:17
–cvelist
euvd
EUVD
EUVD-2026-107352
21 Oct 202618:33
–euvd
nvd
NVD
CVE-2026-76489
21 Oct 202617:19
–nvd
Vulners
Node
OR
OR
ciscosnort3Match3.12.2.0
ciscosnort3Match3.1.2.0
ciscosnort3Match3.1.3.0
ciscosnort3Match3.1.4.0
ciscosnort3Match3.1.5.0
ciscosnort3Match3.1.6.0
ciscosnort3Match3.1.7.0
ciscosnort3Match3.1.8.0
ciscosnort3Match3.1.9.0
ciscosnort3Match3.1.10.0
ciscosnort3Match3.1.12.0
ciscosnort3Match3.1.13.0
ciscosnort3Match3.1.14.0
ciscosnort3Match3.1.15.0
ciscosnort3Match3.1.16.0
ciscosnort3Match3.1.17.0
ciscosnort3Match3.1.18.0
ciscosnort3Match3.1.19.0
ciscosnort3Match3.1.20.0
ciscosnort3Match3.1.21.0
ciscosnort3Match3.1.22.0
ciscosnort3Match3.1.23.0
ciscosnort3Match3.1.24.0
ciscosnort3Match3.1.25.0
ciscosnort3Match3.1.27.0
ciscosnort3Match3.1.28.0
ciscosnort3Match3.1.29.0
ciscosnort3Match3.1.30.0
ciscosnort3Match3.1.31.0
ciscosnort3Match3.1.32.0
ciscosnort3Match3.1.36.0
ciscosnort3Match3.1.38.0
ciscosnort3Match3.1.39.0
ciscosnort3Match3.1.40.0
ciscosnort3Match3.1.41.0
ciscosnort3Match3.1.42.0
ciscosnort3Match3.1.43.0
ciscosnort3Match3.1.45.0
ciscosnort3Match3.1.47.0
ciscosnort3Match3.1.48.0
ciscosnort3Match3.1.50.0
ciscosnort3Match3.1.51.0
ciscosnort3Match3.1.52.0
ciscosnort3Match3.1.53.0
ciscosnort3Match3.1.55.0
ciscosnort3Match3.1.56.0
ciscosnort3Match3.1.57.0
ciscosnort3Match3.1.58.0
ciscosnort3Match3.1.59.0
ciscosnort3Match3.1.60.0
ciscosnort3Match3.1.61.0
ciscosnort3Match3.1.62.0
ciscosnort3Match3.1.63.0
ciscosnort3Match3.1.64.0
ciscosnort3Match3.1.65.0
ciscosnort3Match3.1.66.0
ciscosnort3Match3.1.67.0
ciscosnort3Match3.1.69.0
ciscosnort3Match3.1.70.0
ciscosnort3Match3.1.71.0
ciscosnort3Match3.1.72.0
ciscosnort3Match3.1.73.0
ciscosnort3Match3.1.74.0
ciscosnort3Match3.1.75.0
ciscosnort3Match3.1.76.0
ciscosnort3Match3.1.77.0
ciscosnort3Match3.1.78.0
ciscosnort3Match3.1.81.0
ciscosnort3Match3.1.82.0
ciscosnort3Match3.1.83.0
ciscosnort3Match3.1.84.0
ciscosnort3Match3.2.1.0
ciscosnort3Match3.2.2.0
ciscosnort3Match3.3.0.0
ciscosnort3Match3.3.1.0
ciscosnort3Match3.3.2.0
ciscosnort3Match3.3.3.0
ciscosnort3Match3.3.4.0
ciscosnort3Match3.3.5.0
ciscosnort3Match3.3.7.0
ciscosnort3Match3.5.0.0
ciscosnort3Match3.5.1.0
ciscosnort3Match3.8.1.0
ciscosnort3Match3.6.0.0
ciscosnort3Match3.6.2.0
ciscosnort3Match3.9.3.0
ciscosnort3Match3.7.2.0
ciscosnort3Match3.7.0.0
ciscosnort3Match3.9.6.0
ciscosnort3Match3.10.0.0
ciscosnort3Match3.10.2.0
ciscosnort3Match3.7.4.0
ciscosnort3Match3.9.0.0
ciscosnort3Match3.5.2.0
ciscosnort3Match3.12.1.0
ciscosnort3Match3.6.1.0
ciscosnort3Match3.9.2.0
ciscosnort3Match3.6.3.0
ciscosnort3Match3.9.5.0
ciscosnort3Match3.7.1.0
ciscosnort3Match3.9.7.0
ciscosnort3Match3.7.3.0
ciscosnort3Match3.10.1.0
ciscosnort3Match3.9.1.0
ciscosnort3Match3.11.1.0
OR
[
  {
    "vendor": "Cisco",
    "product": "Cisco Open Source Snort3",
    "versions": [
      {
        "version": "3.12.2.0",
        "status": "affected"
      },
      {
        "version": "3.1.2.0",
        "status": "affected"
      },
      {
        "version": "3.1.3.0",
        "status": "affected"
      },
      {
        "version": "3.1.4.0",
        "status": "affected"
      },
      {
        "version": "3.1.5.0",
        "status": "affected"
      },
      {
        "version": "3.1.6.0",
        "status": "affected"
      },
      {
        "version": "3.1.7.0",
        "status": "affected"
      },
      {
        "version": "3.1.8.0",
        "status": "affected"
      },
      {
        "version": "3.1.9.0",
        "status": "affected"
      },
      {
        "version": "3.1.10.0",
        "status": "affected"
      },
      {
        "version": "3.1.12.0",
        "status": "affected"
      },
      {
        "version": "3.1.13.0",
        "status": "affected"
      },
      {
        "version": "3.1.14.0",
        "status": "affected"
      },
      {
        "version": "3.1.15.0",
        "status": "affected"
      },
      {
        "version": "3.1.16.0",
        "status": "affected"
      },
      {
        "version": "3.1.17.0",
        "status": "affected"
      },
      {
        "version": "3.1.18.0",
        "status": "affected"
      },
      {
        "version": "3.1.19.0",
        "status": "affected"
      },
      {
        "version": "3.1.20.0",
        "status": "affected"
      },
      {
        "version": "3.1.21.0",
        "status": "affected"
      },
      {
        "version": "3.1.22.0",
        "status": "affected"
      },
      {
        "version": "3.1.23.0",
        "status": "affected"
      },
      {
        "version": "3.1.24.0",
        "status": "affected"
      },
      {
        "version": "3.1.25.0",
        "status": "affected"
      },
      {
        "version": "3.1.27.0",
        "status": "affected"
      },
      {
        "version": "3.1.28.0",
        "status": "affected"
      },
      {
        "version": "3.1.29.0",
        "status": "affected"
      },
      {
        "version": "3.1.30.0",
        "status": "affected"
      },
      {
        "version": "3.1.31.0",
        "status": "affected"
      },
      {
        "version": "3.1.32.0",
        "status": "affected"
      },
      {
        "version": "3.1.36.0",
        "status": "affected"
      },
      {
        "version": "3.1.38.0",
        "status": "affected"
      },
      {
        "version": "3.1.39.0",
        "status": "affected"
      },
      {
        "version": "3.1.40.0",
        "status": "affected"
      },
      {
        "version": "3.1.41.0",
        "status": "affected"
      },
      {
        "version": "3.1.42.0",
        "status": "affected"
      },
      {
        "version": "3.1.43.0",
        "status": "affected"
      },
      {
        "version": "3.1.45.0",
        "status": "affected"
      },
      {
        "version": "3.1.47.0",
        "status": "affected"
      },
      {
        "version": "3.1.48.0",
        "status": "affected"
      },
      {
        "version": "3.1.50.0",
        "status": "affected"
      },
      {
        "version": "3.1.51.0",
        "status": "affected"
      },
      {
        "version": "3.1.52.0",
        "status": "affected"
      },
      {
        "version": "3.1.53.0",
        "status": "affected"
      },
      {
        "version": "3.1.55.0",
        "status": "affected"
      },
      {
        "version": "3.1.56.0",
        "status": "affected"
      },
      {
        "version": "3.1.57.0",
        "status": "affected"
      },
      {
        "version": "3.1.58.0",
        "status": "affected"
      },
      {
        "version": "3.1.59.0",
        "status": "affected"
      },
      {
        "version": "3.1.60.0",
        "status": "affected"
      },
      {
        "version": "3.1.61.0",
        "status": "affected"
      },
      {
        "version": "3.1.62.0",
        "status": "affected"
      },
      {
        "version": "3.1.63.0",
        "status": "affected"
      },
      {
        "version": "3.1.64.0",
        "status": "affected"
      },
      {
        "version": "3.1.65.0",
        "status": "affected"
      },
      {
        "version": "3.1.66.0",
        "status": "affected"
      },
      {
        "version": "3.1.67.0",
        "status": "affected"
      },
      {
        "version": "3.1.69.0",
        "status": "affected"
      },
      {
        "version": "3.1.70.0",
        "status": "affected"
      },
      {
        "version": "3.1.71.0",
        "status": "affected"
      },
      {
        "version": "3.1.72.0",
        "status": "affected"
      },
      {
        "version": "3.1.73.0",
        "status": "affected"
      },
      {
        "version": "3.1.74.0",
        "status": "affected"
      },
      {
        "version": "3.1.75.0",
        "status": "affected"
      },
      {
        "version": "3.1.76.0",
        "status": "affected"
      },
      {
        "version": "3.1.77.0",
        "status": "affected"
      },
      {
        "version": "3.1.78.0",
        "status": "affected"
      },
      {
        "version": "3.1.81.0",
        "status": "affected"
      },
      {
        "version": "3.1.82.0",
        "status": "affected"
      },
      {
        "version": "3.1.83.0",
        "status": "affected"
      },
      {
        "version": "3.1.84.0",
        "status": "affected"
      },
      {
        "version": "3.2.1.0",
        "status": "affected"
      },
      {
        "version": "3.2.2.0",
        "status": "affected"
      },
      {
        "version": "3.3.0.0",
        "status": "affected"
      },
      {
        "version": "3.3.1.0",
        "status": "affected"
      },
      {
        "version": "3.3.2.0",
        "status": "affected"
      },
      {
        "version": "3.3.3.0",
        "status": "affected"
      },
      {
        "version": "3.3.4.0",
        "status": "affected"
      },
      {
        "version": "3.3.5.0",
        "status": "affected"
      },
      {
        "version": "3.3.7.0",
        "status": "affected"
      },
      {
        "version": "3.5.0.0",
        "status": "affected"
      },
      {
        "version": "3.5.1.0",
        "status": "affected"
      },
      {
        "version": "3.8.1.0",
        "status": "affected"
      },
      {
        "version": "3.6.0.0",
        "status": "affected"
      },
      {
        "version": "3.6.2.0",
        "status": "affected"
      },
      {
        "version": "3.9.3.0",
        "status": "affected"
      },
      {
        "version": "3.7.2.0",
        "status": "affected"
      },
      {
        "version": "3.7.0.0",
        "status": "affected"
      },
      {
        "version": "3.9.6.0",
        "status": "affected"
      },
      {
        "version": "3.10.0.0",
        "status": "affected"
      },
      {
        "version": "3.10.2.0",
        "status": "affected"
      },
      {
        "version": "3.7.4.0",
        "status": "affected"
      },
      {
        "version": "3.9.0.0",
        "status": "affected"
      },
      {
        "version": "3.5.2.0",
        "status": "affected"
      },
      {
        "version": "3.12.1.0",
        "status": "affected"
      },
      {
        "version": "3.6.1.0",
        "status": "affected"
      },
      {
        "version": "3.9.2.0",
        "status": "affected"
      },
      {
        "version": "3.6.3.0",
        "status": "affected"
      },
      {
        "version": "3.9.5.0",
        "status": "affected"
      },
      {
        "version": "3.7.1.0",
        "status": "affected"
      },
      {
        "version": "3.9.7.0",
        "status": "affected"
      },
      {
        "version": "3.7.3.0",
        "status": "affected"
      },
      {
        "version": "3.10.1.0",
        "status": "affected"
      },
      {
        "version": "3.9.1.0",
        "status": "affected"
      },
      {
        "version": "3.11.1.0",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  },
  {
    "vendor": "Cisco",
    "product": "Cisco Secure Firewall Threat Defense (FTD) Software",
    "versions": [
      {
        "version": "7.0.0",
        "status": "affected"
      },
      {
        "version": "7.0.0.1",
        "status": "affected"
      },
      {
        "version": "7.0.1",
        "status": "affected"
      },
      {
        "version": "7.0.1.1",
        "status": "affected"
      },
      {
        "version": "7.0.2",
        "status": "affected"
      },
      {
        "version": "7.2.0",
        "status": "affected"
      },
      {
        "version": "7.0.2.1",
        "status": "affected"
      },
      {
        "version": "7.0.3",
        "status": "affected"
      },
      {
        "version": "7.2.0.1",
        "status": "affected"
      },
      {
        "version": "7.0.4",
        "status": "affected"
      },
      {
        "version": "7.2.1",
        "status": "affected"
      },
      {
        "version": "7.0.5",
        "status": "affected"
      },
      {
        "version": "7.3.0",
        "status": "affected"
      },
      {
        "version": "7.2.2",
        "status": "affected"
      },
      {
        "version": "7.2.3",
        "status": "affected"
      },
      {
        "version": "7.3.1",
        "status": "affected"
      },
      {
        "version": "7.2.4",
        "status": "affected"
      },
      {
        "version": "7.0.6",
        "status": "affected"
      },
      {
        "version": "7.2.5",
        "status": "affected"
      },
      {
        "version": "7.2.4.1",
        "status": "affected"
      },
      {
        "version": "7.3.1.1",
        "status": "affected"
      },
      {
        "version": "7.4.0",
        "status": "affected"
      },
      {
        "version": "7.0.6.1",
        "status": "affected"
      },
      {
        "version": "7.2.5.1",
        "status": "affected"
      },
      {
        "version": "7.4.1",
        "status": "affected"
      },
      {
        "version": "7.2.6",
        "status": "affected"
      },
      {
        "version": "7.0.6.2",
        "status": "affected"
      },
      {
        "version": "7.4.1.1",
        "status": "affected"
      },
      {
        "version": "7.2.7",
        "status": "affected"
      },
      {
        "version": "7.2.5.2",
        "status": "affected"
      },
      {
        "version": "7.3.1.2",
        "status": "affected"
      },
      {
        "version": "7.2.8",
        "status": "affected"
      },
      {
        "version": "7.6.0",
        "status": "affected"
      },
      {
        "version": "7.4.2",
        "status": "affected"
      },
      {
        "version": "7.2.8.1",
        "status": "affected"
      },
      {
        "version": "7.0.6.3",
        "status": "affected"
      },
      {
        "version": "7.4.2.1",
        "status": "affected"
      },
      {
        "version": "7.2.9",
        "status": "affected"
      },
      {
        "version": "7.0.7",
        "status": "affected"
      },
      {
        "version": "7.7.0",
        "status": "affected"
      },
      {
        "version": "7.4.2.2",
        "status": "affected"
      },
      {
        "version": "7.6.1",
        "status": "affected"
      },
      {
        "version": "7.4.2.3",
        "status": "affected"
      },
      {
        "version": "7.0.8",
        "status": "affected"
      },
      {
        "version": "7.6.2",
        "status": "affected"
      },
      {
        "version": "7.7.10",
        "status": "affected"
      },
      {
        "version": "7.7.11",
        "status": "affected"
      },
      {
        "version": "7.0.8.1",
        "status": "affected"
      },
      {
        "version": "7.6.2.1",
        "status": "affected"
      },
      {
        "version": "7.7.10.1",
        "status": "affected"
      },
      {
        "version": "7.4.2.4",
        "status": "affected"
      },
      {
        "version": "7.4.3",
        "status": "affected"
      },
      {
        "version": "7.6.4",
        "status": "affected"
      },
      {
        "version": "10.0.0",
        "status": "affected"
      },
      {
        "version": "7.4.4",
        "status": "affected"
      },
      {
        "version": "7.0.9",
        "status": "affected"
      },
      {
        "version": "7.4.7",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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21 Oct 2026 18:54Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.8
4