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CVE PROGRAM SOURCE RECORD6.2 Medium

CVE-2026-19795

Qiskit SDK is vulnerable when deserializing QPY Files and may overflow the available stack space.

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Status
Published
Published
Updated
Assigning organization
ibm

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

IBM Qiskit SDK

Default version status: unaffected

  • 2.1.0 to ≤ 2.5.1affected

References