Vulnerability Database · PyPI · numexpr · Version
numexpr 1.3.1
1.3.1 is affected by 1 vulnerability.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to. The upgrade Vulert recommends: 2.14.2.
Critical 1 High 0 Medium 0 Low 0 Unrated 0
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Released 23 Jun 2009
Licence MIT
Also known from other sources 2
Newer releases 60
Database updated 23/Oct/2026
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01 Vulnerabilities affecting this version
numexpr 1.3.1 vulnerabilities
1 vulnerability cover numexpr 1.3.1. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| CVE-2023-39631: Arbitrary Code Execution in numexpr | 9.8 critical | 2.8.5 | 01 Sep 2023 |
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Questions
About numexpr 1.3.1
Is numexpr 1.3.1 vulnerable?
Yes. 1 vulnerability in the Vulert database cover numexpr 1.3.1: 1 critical, 0 high, 0 medium and 0 low. The upgrade Vulert recommends is 2.14.2, and each entry above names the fixed version to move to.
Which version of numexpr should I use instead of 1.3.1?
2.14.2 is the version Vulert recommends for this release line. The version table on the package page lists every release with the vulnerabilities recorded against it.
Is 1.3.1 the latest release of numexpr?
No. 1.3.1 was published 23 Jun 2009, and newer releases exist. Newer is not automatically safer — the version table on the package page shows what each release carries.
How do I monitor numexpr for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the numexpr version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.