UBUNTU-CVE-2026-15105

A flaw has been found in davenardella snap7 up to 1.4.3. This affects the function TS7Worker::PerformFunctionRead of the file src/core/s7server.cpp of the component ReadVar Request Handler. This manipulation causes out-of-bounds write. The attack requires access to the local network. The exploit...

EUVD-2026-40244

A heap buffer overflow in the TS7Worker::PerformFunctionWrite function /core/s7server.cpp of snap7 v1.4.3 allows attackers to cause a Denial of Service DoS via a crafted packet...