CVE-2026-48685

FastNetMon Community Edition through 1.2.9 has out-of-bounds memory access because it incorrectly parses BGP path attributes with the extended length flag set. In src/bgpprotocol.hpp, the parserawbgpattribute function correctly identifies when extendedlengthbit is set and sets lengthoflengthfield...

CVE-2026-48685

CVE-2026-48685 affects FastNetMon Community Edition up to 1.2.9. The issue is an out-of-bounds memory access caused by incorrect handling of BGP path attributes when the extended length flag is set. In parse_raw_bgp_attribute(), extended_length_bit triggers a 2-byte length field, but the code rea...