Qiskit SDK 0.45.0 through 1.2.4 could allow a remote attacker to cause a denial of service using a maliciously crafted QPY file containing a malformed symengine serialization stream which can cause a segfault within the symengine library.
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This high-severity CVE scores 8.6 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 73% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Qiskit SDK 0.45.0 through 1.2.4 could allow a remote attacker to cause a denial of service using a maliciously crafted QPY file containing a malformed symengine serialization stream which can cause a segfault within the symengine library.
February 21, 2025
September 30, 2025
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| qiskit | 0.45.0 ... 1.3.0rc2 (26 versions) | 1.3.0 | — |
| qiskit-terra | 0.45.0 ... 0.46.3 (8 versions) | — | — |
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CWE-502