CVE-2021-21252
HIGH7.5EPSS 0.73%Regular Expression Denial of Service in jquery-validation
Published: 1/13/2021Modified: 3/13/2026
Also known as:GHSA-jxwx-85vp-gvwm
Description
The GitHub Security Lab team has identified potential security vulnerabilities in jquery.validation. The project contains one or more regular expressions that are vulnerable to ReDoS (Regular Expression Denial of Service) This issue was discovered and reported by GitHub team member @erik-krogh (Erik Krogh Kristensen).
Affected packages (5)
- Debian/civicrmfrom 0
- Debian/otrs2from 0, < 6.0.32-4
- Debian/phpmyadminfrom 0, < 4:5.0.4+dfsg2-2
- npm/jquery-validationfrom 0, < 1.19.3
- NuGet/jQuery.Validationfrom 0, < 1.19.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (12)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-21252
- ADVISORYhttps://securitylab.github.com/advisories/GHSL-2020-294-redos-jquery-validation
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-21252
- PATCHhttps://github.com/jquery-validation/jquery-validation
- WEBhttps://github.com/jquery-validation/jquery-validation/commit/5d8f29eef363d043a8fec4eb86d42cadb5fa5f7d
- WEBhttps://github.com/jquery-validation/jquery-validation/pull/2371
- WEBhttps://github.com/jquery-validation/jquery-validation/security/advisories/GHSA-jxwx-85vp-gvwm
- WEBhttps://jqueryvalidation.org/#installation-via-package-managers
- WEBhttps://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
- WEBhttps://security.netapp.com/advisory/ntap-20210219-0005
- WEBhttps://www.npmjs.com/package/jquery-validation
- WEBhttps://www.nuget.org/packages/jquery.validation