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.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.ibm.com/support/pages/node/7285932 |
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History
Fri, 04 Sep 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | IBM Qiskit SDK 2.1.0 through 2.5.1 could allow a local attacker to cause a denial of service due to improper handling of a specially crafted object during deserialization. A malicious QPY payload can trigger a segmentation fault, causing the application to crash when deserializing untrusted input. | 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. |
Fri, 04 Sep 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Thu, 03 Sep 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | IBM Qiskit SDK 2.1.0 through 2.5.1 could allow a local attacker to cause a denial of service due to improper handling of a specially crafted object during deserialization. A malicious QPY payload can trigger a segmentation fault, causing the application to crash when deserializing untrusted input. | |
| Title | Qiskit SDK is vulnerable when deserializing QPY Files and may overflow the available stack space. | |
| First Time appeared |
Ibm
Ibm qiskit Sdk |
|
| Weaknesses | CWE-502 | |
| CPEs | cpe:2.3:a:ibm:qiskit_sdk:2.1.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:qiskit_sdk:2.5.1:*:*:*:*:*:*:* |
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| Vendors & Products |
Ibm
Ibm qiskit Sdk |
|
| References |
| |
| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: ibm
Published: 2026-09-03T19:56:03.172Z
Updated: 2026-09-04T20:05:30.490Z
Reserved: 2026-08-13T19:40:18.000Z
Link: CVE-2026-19795
Updated: 2026-09-04T13:26:20.465Z
Status : Awaiting Analysis
Published: 2026-09-03T20:17:19.790
Modified: 2026-09-08T14:17:08.940
Link: CVE-2026-19795
No data.