{"containers": {"cna": {"affected": [{"product": "Cisco IOS XR Software", "vendor": "Cisco", "versions": [{"lessThan": "6.2.3", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "6.3.2", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "6.4.0", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "6.5.1", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2019-04-17T00:00:00", "descriptions": [{"lang": "en", "value": "A vulnerability in the Protocol Independent Multicast (PIM) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause the PIM process to restart, resulting in a denial of service condition on an affected device. The vulnerability is due to the incorrect processing of crafted AutoRP packets. 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