High

Regular Expression Denial of Service in is-my-json-valid

  • Disclosed: 24.10.2017
  • Updated: 11.10.2026 10:22

Version of is-my-json-valid before 2.12.4 are vulnerable to regular expression denial of service (ReDoS) via the email validation function.

Recommendation

Update to version 2.12.4 or later.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package is-my-json-valid < 2.12.4 2.12.4

References

CVSS score 7.5/10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-1333
Platform
npm
Package
is-my-json-valid
Disclosed
24.10.2017
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-f522-ffg8-j8r6 - CC BY 4.0

Vulnerability history: is-my-json-valid

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
2
First → latest
10.2017 01.2022
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 1
  • Medium 1

Disclosures per year

  1. 2017: 1
  2. 2018: 0
  3. 2019: 0
  4. 2020: 0
  5. 2021: 0
  6. 2022: 1
  7. 2023: 0
  8. 2024: 0
  9. 2025: 0
  10. 2026: 0
  1. Medium · 5.3 CVE-2018-1107 >= 2.0.0, < 2.17.2, < 1.4.1 2.17.2, 1.4.1
  2. Regular Expression Denial of Service in is-my-json-valid this entry
    High · 7.5 CVE-2016-2537 < 2.12.4 2.12.4

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