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Regular Expression Denial of Service

Moderate severity GitHub Reviewed Published Jun 20, 2019 to the GitHub Advisory Database • Updated Jan 9, 2023

Package

npm esm (npm)

Affected versions

< 3.1.0

Patched versions

3.1.0

Description

A Regular Expression Denial of Service vulnerability was discovered in esm before 3.1.0. The issue is that esm's find-indexes is using the unescaped identifiers in a regex, which, in this case, causes an infinite loop.

References

Reviewed Jun 20, 2019
Published to the GitHub Advisory Database Jun 20, 2019
Last updated Jan 9, 2023

Severity

Moderate

EPSS score

Weaknesses

Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Learn more on MITRE.

CVE ID

No known CVE

GHSA ID

GHSA-qx4v-6gc5-f2vv

Source code

No known source code
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