CVE-2026-121994 - Gdb: gdb: stack buffer overflow in fetch_register_using_p via unchecked p-reply length

CVE-2026-121994 - Gdb: gdb: stack buffer overflow in fetch_register_using_p via unchecked p-reply length

https://cvefeed.io/rssfeed/latest.atom / Thu, 11/05/2026 - 19:52
CVE ID :CVE-2026-121994
Published : Nov. 5, 2026, 5:18 p.m. | 25 minutes ago
Description :A stack buffer overflow in the GDB client's remote protocol handler allows an attacker-controlled debug target to execute arbitrary code in the GDB process. The vulnerability exists in fetch_register_using_p, which decodes a stub's register reply into an alloca-sized buffer without bounding writes by the register width.
Severity: 8.8 | HIGH
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