{"action":"Upgrade jquery-validation to 1.19.3 or later.","affected":[{"fixed":"1.19.3","introduced":"0"}],"component":"jquery-validation","cve_ids":["CVE-2021-21252"],"ecosystem":"npm","epss":0.03575,"exploited":false,"fixed_versions":["1.19.3"],"ghsa_id":"GHSA-jxwx-85vp-gvwm","id":"tcs_01M5KFZ8NBXRV02A3C2ERRT0MC","modified_at":"2026-07-08T06:29:20.727643255Z","published_at":"2021-01-13T18:21:54Z","references":["https://osv.dev/vulnerability/GHSA-jxwx-85vp-gvwm","https://github.com/jquery-validation/jquery-validation/security/advisories/GHSA-jxwx-85vp-gvwm","https://nvd.nist.gov/vuln/detail/CVE-2021-21252","https://github.com/jquery-validation/jquery-validation/pull/2371","https://github.com/jquery-validation/jquery-validation/commit/5d8f29eef363d043a8fec4eb86d42cadb5fa5f7d","https://github.com/jquery-validation/jquery-validation","https://jqueryvalidation.org/#installation-via-package-managers","https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html","https://security.netapp.com/advisory/ntap-20210219-0005","https://securitylab.github.com/advisories/GHSL-2020-294-redos-jquery-validation","https://www.npmjs.com/package/jquery-validation","https://www.nuget.org/packages/jquery.validation"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-jxwx-85vp-gvwm","url":"https://osv.dev/vulnerability/GHSA-jxwx-85vp-gvwm"}],"summary":"Regular Expression Denial of Service in jquery-validation"}