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  5. CVE-2022-31129

CVE-2022-31129: Moment.js vulnerable to Inefficient Regular Expression Complexity

July 6, 2022 (updated November 4, 2025)

  • using string-to-date parsing in moment (more specifically rfc2822 parsing, which is tried by default) has quadratic (N^2) complexity on specific inputs
  • noticeable slowdown is observed with inputs above 10k characters
  • users who pass user-provided strings without sanity length checks to moment constructor are vulnerable to (Re)DoS attacks

References

  • github.com/advisories/GHSA-wc69-rhjr-hc9g
  • github.com/moment/moment
  • github.com/moment/moment/commit/9a3b5894f3d5d602948ac8a02e4ee528a49ca3a3
  • github.com/moment/moment/pull/6015
  • github.com/moment/moment/pull/6015/commits/4bbb9f3ccbe231de40207503f344fe5ce97584f4
  • github.com/moment/moment/pull/6015/commits/bfd4f2375d5c1a2106246721d693a9611dddfbfe
  • github.com/moment/moment/pull/6015/commits/dc0d180e90d8a84f7ff13572363330a22b3ea504
  • github.com/moment/moment/security/advisories/GHSA-wc69-rhjr-hc9g
  • huntr.dev/bounties/f0952b67-f2ff-44a9-a9cd-99e0a87cb633
  • lists.debian.org/debian-lts-announce/2023/01/msg00035.html
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QIO6YNLTK2T7SPKDS4JEL45FANLNC2Q
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IWY24RJA3SBJGA5N4CU4VBPHJPPPJL5O
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORJX2LF6KMPIHP6B2P6KZIVKMLE3LVJ5
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZMX5YHELQVCGKKQVFXIYOTBMN23YYSRO
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6QIO6YNLTK2T7SPKDS4JEL45FANLNC2Q
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IWY24RJA3SBJGA5N4CU4VBPHJPPPJL5O
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ORJX2LF6KMPIHP6B2P6KZIVKMLE3LVJ5
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZMX5YHELQVCGKKQVFXIYOTBMN23YYSRO
  • nvd.nist.gov/vuln/detail/CVE-2022-31129
  • security.netapp.com/advisory/ntap-20221014-0003
  • security.netapp.com/advisory/ntap-20241108-0002

Code Behaviors & Features

Detect and mitigate CVE-2022-31129 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions starting from 2.18.0 before 2.29.4

Fixed versions

  • 2.29.4

Solution

Upgrade to version 2.29.4 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-1333: Inefficient Regular Expression Complexity
  • CWE-400: Uncontrolled Resource Consumption

Source file

npm/moment/CVE-2022-31129.yml

Spotted a mistake? Edit the file on GitLab.

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