CVE-2026-49838

A flaw was found in GoBGP, an open-source Border Gateway Protocol BGP implementation. A configured confederation eBGP peer can send a specially crafted BGP UPDATE message with a zero-length ASPATH attribute. This malformed message is improperly handled during validation, leading to an unchecked...

CVE-2026-48691: Integer Overflow or Wraparound

FastNetMon Community Edition through 1.2.9 contains an integer overflow in the BGP ASPATH attribute encoder. In src/bgpprotocol.hpp, the IPv4UnicastAnnounce::getattributes function computes attributelength as 'sizeofbgpaspathsegmentelementt + this-aspathasns.size sizeofuint32t' and stores it in a...