Regular Expression Denial of Service

published 2019-06-20 7y ago modified 2021-02-25 5y ago

cvss: —; not scored
cisa kev: Not listed; not in CISA's catalog
epss: —; no score, EPSS covers CVEs only
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 1

npm esm 3.1.0

github.com/standard-things/esm@c41e001 commit

Is GHSA-qx4v-6gc5-f2vv in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Affected packages

ecosystem	package	affected	fixed in
npm	esm	<3.1.0	3.1.0

Classification

Weakness

CWE-400 Uncontrolled Resource Consumption

References

Sources

GitHub Advisory GHSA-qx4v-6gc5-f2vv

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