CVE-2022-31129

moment is a JavaScript date library for parsing, validating, manipulating, and formatting dates. Affected versions of moment were found to use an inefficient parsing algorithm. Specifically using string-to-date parsing in moment (more specifically rfc2822 parsing, which is tried by default) has quadratic (N^2) complexity on specific inputs. Users may notice a 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. The problem is patched in 2.29.4, the patch can be applied to all affected versions with minimal tweaking. Users are advised to upgrade. Users unable to upgrade should consider limiting date lengths accepted from user input.

• CWE-400
• CWE-1333

• https://github.com/moment/moment/commit/9a3b5894f3d5d602948ac8a02e4ee528a49ca3a3Patch, Third Party Advisory
• https://github.com/moment/moment/pull/6015#issuecomment-1152961973Exploit, Issue Tracking, Patch, Third Party Advisory
• https://github.com/moment/moment/security/advisories/GHSA-wc69-rhjr-hc9gIssue Tracking, Third Party Advisory
• https://huntr.dev/bounties/f0952b67-f2ff-44a9-a9cd-99e0a87cb633/Exploit, Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/01/msg00035.htmlMailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QIO6YNLTK2T7SPKDS4JEL45FANLNC2Q/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IWY24RJA3SBJGA5N4CU4VBPHJPPPJL5O/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORJX2LF6KMPIHP6B2P6KZIVKMLE3LVJ5/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZMX5YHELQVCGKKQVFXIYOTBMN23YYSRO/
• https://security.netapp.com/advisory/ntap-20221014-0003/Third Party Advisory
• https://github.com/moment/moment/commit/9a3b5894f3d5d602948ac8a02e4ee528a49ca3a3Patch, Third Party Advisory
• https://github.com/moment/moment/pull/6015#issuecomment-1152961973Exploit, Issue Tracking, Patch, Third Party Advisory
• https://github.com/moment/moment/security/advisories/GHSA-wc69-rhjr-hc9gIssue Tracking, Third Party Advisory
• https://huntr.dev/bounties/f0952b67-f2ff-44a9-a9cd-99e0a87cb633/Exploit, Issue Tracking, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2023/01/msg00035.htmlMailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QIO6YNLTK2T7SPKDS4JEL45FANLNC2Q/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IWY24RJA3SBJGA5N4CU4VBPHJPPPJL5O/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORJX2LF6KMPIHP6B2P6KZIVKMLE3LVJ5/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZMX5YHELQVCGKKQVFXIYOTBMN23YYSRO/
• https://security.netapp.com/advisory/ntap-20221014-0003/Third Party Advisory
• https://security.netapp.com/advisory/ntap-20241108-0002/

Published

Jul 6, 2022

Last Modified

Jun 17, 2026

Status

Modified

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