CVE-2026-121997

A heap buffer overflow in gdbserver's QTDPsrc packet handler allows an unauthenticated remote attacker to achieve native code execution in the gdbserver process. The vulnerability results from a mismatch between a packet's declared source length and the actual data length, causing hex2bin to writ...

CVE-2026-121997

A heap buffer overflow vulnerability exists in the gdbserver 's QTDPsrc packet handler. The flaw arises from a mismatch between a packet's declared source length and its actual data length, which causes the hex2bin function to write beyond the allocated heap buffer. This allows an unauthenticated...