CVE-2026-77658

A stack-based buffer overflow vulnerability exists in the Dia diagram editor when processing Network Bus objects from Dia XML project files. In objects/network/bus.c, busload reads the number of bus handles from the file attribute "bushandles" using attributenumdata without validating an upper...

CVE-2026-77658: Stack-based Buffer Overflow

A stack-based buffer overflow vulnerability exists in the Dia diagram editor when processing Network Bus objects from Dia XML project files. In objects/network/bus.c, busload reads the number of bus handles from the file attribute "bushandles" using attributenumdata without validating an upper...