Vulnerability · Published Feb 21, 2025 · Assigned by ibm

CVE-2025-1403Qiskit SDK denial of service

High 8.6

In plain English

A high-severity unsafe deserialization in Qiskit SDK from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.6High
Exploit odds (30 days)0.7%top 45.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPIqiskit1.3.0GHSA-fpmr-m242-xm7x
PyPIqiskit1.3.0PYSEC-2026-3045
PyPIqiskit-terrano fix listedGHSA-fpmr-m242-xm7x
PyPIqiskit-terrano fix listedPYSEC-2026-1859

Affected products (as reported)

VendorProductVersions
IBM Qiskit SDK 0.45.0 – through 1.2.4

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References