CVE-2025-1403: Malciously crafted QPY files can allows Remote Attackers to Cause Denial of Service in Qiskit

February 21, 2025

A maliciously crafted QPY file containing a malformed symengine serialization stream as part of the larger QPY serialization of a ParameterExpression object can cause a segfault within the symengine library, allowing an attacker to terminate the hosting process deserializing the QPY payload.

References

github.com/Qiskit/qiskit
github.com/Qiskit/qiskit/security/advisories/GHSA-fpmr-m242-xm7x
github.com/advisories/GHSA-fpmr-m242-xm7x
github.com/symengine/symengine/commit/eb3e292bf13b2dfdf0fa1c132944af8df2bc7d51
nvd.nist.gov/vuln/detail/CVE-2025-1403
www.ibm.com/support/pages/node/7183868

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