High severity7.5NVD Advisory· Published Jul 14, 2021· Updated Jun 17, 2026
CVE-2021-36716
CVE-2021-36716
Description
A ReDoS (regular expression denial of service) flaw was found in the Segment is-email package before 1.0.1 for Node.js. An attacker that is able to provide crafted input to the isEmail(input) function may cause an application to consume an excessive amount of CPU.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
is-emailnpm | < 1.0.1 | 1.0.1 |
Affected products
3- Segment/is-emaildescription
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-j377-2x76-558hghsaADVISORY
- github.com/segmentio/is-email/releasesnvdRelease NotesThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2021-36716ghsaADVISORY
- segment.com/docs/release_notes/2021-07-13-cve-2021-36716/nvdVendor Advisory
- segment.com/docs/release_notes/2021-07-13-cve-2021-36716ghsaWEB
News mentions
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