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CVE-2026-76505 Cisco IOS XR Software for ASR 9000 Series Routers IPv4 Unicast Packets Denial of Service Vulnerability

🗓️ 21 Oct 2026 16:18:12Reported by ciscoType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Unauthenticated remote DoS in Cisco IOS XR IPv4 packet processing via crafted packets.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-76505
21 Oct 202619:19
–circl
cisco
Cisco
Cisco IOS XR Software for ASR 9000 Series Routers IPv4 Unicast Packets Denial of Service Vulnerability
21 Oct 202616:00
–cisco
cisco
Cisco
Cisco Advance Notification for Publication of October 21, 2026, Security Advisories
14 Oct 202616:00
–cisco
cve
CVE
CVE-2026-76505
21 Oct 202616:18
–cve
euvd
EUVD
EUVD-2026-107359
21 Oct 202616:18
–euvd
nvd
NVD
CVE-2026-76505
21 Oct 202617:19
–nvd
[
  {
    "vendor": "Cisco",
    "product": "Cisco IOS XR Software",
    "versions": [
      {
        "version": "7.0.1",
        "status": "affected"
      },
      {
        "version": "7.1.1",
        "status": "affected"
      },
      {
        "version": "7.0.90",
        "status": "affected"
      },
      {
        "version": "6.7.1",
        "status": "affected"
      },
      {
        "version": "7.0.2",
        "status": "affected"
      },
      {
        "version": "7.1.15",
        "status": "affected"
      },
      {
        "version": "7.1.2",
        "status": "affected"
      },
      {
        "version": "6.7.2",
        "status": "affected"
      },
      {
        "version": "7.1.25",
        "status": "affected"
      },
      {
        "version": "7.1.3",
        "status": "affected"
      },
      {
        "version": "6.7.3",
        "status": "affected"
      },
      {
        "version": "7.3.1",
        "status": "affected"
      },
      {
        "version": "7.4.1",
        "status": "affected"
      },
      {
        "version": "6.8.1",
        "status": "affected"
      },
      {
        "version": "7.3.2",
        "status": "affected"
      },
      {
        "version": "7.5.1",
        "status": "affected"
      },
      {
        "version": "7.6.1",
        "status": "affected"
      },
      {
        "version": "7.5.2",
        "status": "affected"
      },
      {
        "version": "7.3.3",
        "status": "affected"
      },
      {
        "version": "6.8.2",
        "status": "affected"
      },
      {
        "version": "7.7.1",
        "status": "affected"
      },
      {
        "version": "7.4.2",
        "status": "affected"
      },
      {
        "version": "7.3.4",
        "status": "affected"
      },
      {
        "version": "6.7.35",
        "status": "affected"
      },
      {
        "version": "6.9.1",
        "status": "affected"
      },
      {
        "version": "7.6.2",
        "status": "affected"
      },
      {
        "version": "7.8.1",
        "status": "affected"
      },
      {
        "version": "7.5.3",
        "status": "affected"
      },
      {
        "version": "7.7.2",
        "status": "affected"
      },
      {
        "version": "6.9.2",
        "status": "affected"
      },
      {
        "version": "7.9.1",
        "status": "affected"
      },
      {
        "version": "7.8.2",
        "status": "affected"
      },
      {
        "version": "7.5.4",
        "status": "affected"
      },
      {
        "version": "7.8.22",
        "status": "affected"
      },
      {
        "version": "7.10.1",
        "status": "affected"
      },
      {
        "version": "7.9.2",
        "status": "affected"
      },
      {
        "version": "7.3.5",
        "status": "affected"
      },
      {
        "version": "7.5.5",
        "status": "affected"
      },
      {
        "version": "7.11.1",
        "status": "affected"
      },
      {
        "version": "7.9.21",
        "status": "affected"
      },
      {
        "version": "7.10.2",
        "status": "affected"
      },
      {
        "version": "24.1.1",
        "status": "affected"
      },
      {
        "version": "7.11.2",
        "status": "affected"
      },
      {
        "version": "24.2.1",
        "status": "affected"
      },
      {
        "version": "24.1.2",
        "status": "affected"
      },
      {
        "version": "24.3.1",
        "status": "affected"
      },
      {
        "version": "24.4.1",
        "status": "affected"
      },
      {
        "version": "24.2.2",
        "status": "affected"
      },
      {
        "version": "7.8.23",
        "status": "affected"
      },
      {
        "version": "7.11.21",
        "status": "affected"
      },
      {
        "version": "24.3.2",
        "status": "affected"
      },
      {
        "version": "24.3.20",
        "status": "affected"
      },
      {
        "version": "24.3.30",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]

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