Cisco ASR 5000 devices with software 19.0.M0.60828 allow remote attackers to cause a denial of service (OSPF process restart) via crafted length fields in headers of OSPF packets, aka Bug ID CSCuv62820.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.