High severity7.5NVD Advisory· Published Nov 5, 2026· Updated Nov 5, 2026
CVE-2026-121995
CVE-2026-121995
Description
A stack buffer overflow in the GDB client's tracepoint upload handler allows an attacker-controlled debug stub to corrupt stack memory automatically during connection setup. The overflow results from GDB reading beyond the current reply boundary into a stale prior reply in the shared packet buffer.
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Affected products
1Patches
Vulnerability mechanics
References
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