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Gdbserver

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high advisory

GNU GDB: Heap buffer overflow in gdbserver QTDPsrc packet handler (CVE-2026-121997)

A heap buffer overflow in the gdbserver QTDPsrc packet handler allows an unauthenticated remote attacker to achieve native code execution via crafted packet lengths.

gdbserver vulnerability rce remote-access
1t 1c
high advisory

GNU gdbserver: Heap memory information disclosure (CVE-2026-121996)

A length validation flaw in the gdbserver agent-expression parser allows an unauthenticated remote attacker to perform an out-of-bounds heap read, potentially exposing memory addresses to bypass ASLR or causing a denial of service.

gdbserver
2t 1c