medium6.2
CVE-2026-19795
Qiskit could allow a local attacker to cause a denial of service due to a stack overflow during deserialization of QPY payloads.
Impact
Qiskit could allow a local attacker to cause a denial of service due to a stack overflow during deserialization of QPY payloads. A malicious QPY payload can trigger a segmentation fault, causing the application to crash when deserializing untrusted input.
Affected packages
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