Aprelium Technologies Abyss Web Server 1.1.2, and possibly other versions before 1.1.4, allows remote attackers to cause a denial of service (crash) via an HTTP GET message with empty (1) Connection or (2) Range fields.
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.