| Package | Affected versions | Patched versions |
|---|---|---|
| optical networking systems software | = 3.0= 3.1.0= 3.2.0= 3.3.0= 3.4.0= 4.0.0 |
Cisco IOS 11.x and 12.0 through 12.2 allows remote attackers to cause a denial of service (traffic block) by sending a particular sequence of IPv4 packets to an interface on the device, causing the input queue on that interface to be marked as full.
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