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CVE-2026-73468

Security Advisory 0175

CVSS 3.1 6.5 MEDIUMCVSS 4.0 7.1 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-73468

Published

A specially crafted packet can cause the premature expiry of multicast forwarding state on affected interfaces, potentially resulting in temporary multicast traffic loss during the affected period.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-73468

Published

EOS

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Arista Networks",
                    "product": "EOS",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "1.0.0",
                            "lessThan": "4.33.0F",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.33.0F",
                            "lessThanOrEqual": "4.33.8M",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.34.0F",
                            "lessThanOrEqual": "4.34.7.1M",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.35.0F",
                            "lessThanOrEqual": "4.35.5M",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "4.36.0F",
                            "lessThanOrEqual": "4.36.1F",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON