Disclosure summary
An incomplete string comparison in the numpy.core component in NumPy before 1.22.0 allows attackers to trigger slightly incorrect copying by constructing specific string objects. NOTE: the vendor states that this reported code behavior is "completely harmless."
Source-reported weakness categories
CWE-697
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2021-34141
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| numpy | numpy | * {"versionEndExcluding":"1.22.0"} |
| oracle | communications_cloud_native_core_policy | 22.1.3 |
Original records & references
- NIST NVD record
- CVE Program record
- github.com — Exploit, Issue Tracking, Patch, Third Party Advisory
- www.oracle.com — Patch, Third Party Advisory
- github.com — Exploit, Issue Tracking, Patch, Third Party Advisory
- www.oracle.com — Patch, Third Party Advisory
PUBLISHED 2021-12-17T14:15:07-05:00
MODIFIED 2026-10-08T17:17:35-04:00
INGESTED 2026-10-10T20:50:21-04:00