{"id":"CVE-2016-2537","aliases":["CLSA-2026-1773015272","CLSA-2026-1773793045","EUVD-2017-0222","GHSA-f522-ffg8-j8r6"],"status":"published","title":"Regular Expression Denial of Service in is-my-json-valid","description":"The is-my-json-valid package before 2.12.4 for Node.js has an incorrect exports['utc-millisec'] regular expression, which allows remote attackers to cause a denial of service (blocked event loop) via a crafted string.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01849,"percentile":0.79236,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1333","CWE-20"],"published":"2016-02-23T02:00:00Z","modified":"2026-10-20T10:47:26Z","fixes":[{"ecosystem":"npm","package":"is-my-json-valid","fixed_in":["2.12.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"is-my-json-valid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.4"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"is-my-json-valid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.2-tuxcare.0"},{"fixed":"2.12.2-tuxcare.1"}]}],"versions":["2.12.2"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"is-my-json-valid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.10.1-tuxcare.0"},{"fixed":"2.10.1-tuxcare.1"}]}],"versions":["2.10.1"],"bundled":2},{"source":"osv","ecosystem":"npm","package":"is-my-json-valid","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.12.4"}]}]}],"products":[{"vendor":"is_my_json_valid_project","product":"is_my_json_valid"}],"references":[{"url":"https://nodesecurity.io/advisories/76","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"https://github.com/mafintosh/is-my-json-valid/commit/eca4beb21e61877d76fdf6bea771f72f39544d9b","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-2537","tags":["advisory"]},{"url":"https://github.com/mafintosh/is-my-json-valid/pull/159","tags":["web"]},{"url":"https://github.com/mafintosh/is-my-json-valid/commit/b3051b277f7caa08cd2edc6f74f50aeda65d2976","tags":["web"]},{"url":"https://github.com/advisories/GHSA-f522-ffg8-j8r6","tags":["advisory"]},{"url":"https://www.npmjs.com/advisories/572","tags":["web"]},{"url":"https://www.npmjs.com/advisories/76","tags":["web"]},{"url":"https://hackerone.com/reports/317548","tags":["web"]},{"url":"https://github.com/github/advisory-database/pull/4850","tags":["web"]},{"url":"https://github.com/mafintosh/is-my-json-valid","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2016-2537","description":"The is-my-json-valid package before 2.12.4 for Node.js has an incorrect exports['utc-millisec'] regular expression, which allows remote attackers to cause a denial of service (blocked event loop) via a crafted string.","status":"published","published":"2016-02-23T02:00:00Z","modified":"2024-08-05T23:32:20.842Z","updated_at":"2026-11-02T14:33:33.424551Z"}],"euvd":[{"id":"EUVD-2017-0222","description":"The is-my-json-valid package before 2.12.4 for Node.js has an incorrect exports['utc-millisec'] regular expression, which allows remote attackers to cause a denial of service (blocked event loop) via a crafted string.","status":"published","published":"2016-02-23T02:00:00Z","modified":"2024-08-05T23:32:20Z","updated_at":"2026-11-03T02:22:52.753944Z"}],"ghsa":[{"id":"GHSA-f522-ffg8-j8r6","title":"Regular Expression Denial of Service in is-my-json-valid","description":"Version of `is-my-json-valid` before 2.12.4 are vulnerable to regular expression denial of service (ReDoS) via the email validation function.\n\n\n## Recommendation\n\nUpdate to version 2.12.4 or later.","status":"published","published":"2017-10-24T18:33:35Z","modified":"2025-10-17T17:50:30Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:39:01.677422Z"}],"nvd":[{"id":"CVE-2016-2537","description":"The is-my-json-valid package before 2.12.4 for Node.js has an incorrect exports['utc-millisec'] regular expression, which allows remote attackers to cause a denial of service (blocked event loop) via a crafted string.","status":"published","published":"2016-02-23T05:59:01.217Z","modified":"2026-06-17T00:44:14.853Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:22.479119Z"}],"osv":[{"id":"CVE-2016-2537","description":"The is-my-json-valid package before 2.12.4 for Node.js has an incorrect exports['utc-millisec'] regular expression, which allows remote attackers to cause a denial of service (blocked event loop) via a crafted string.","status":"published","published":"2016-02-23T05:59:01.217Z","modified":"2026-10-20T10:47:26.262529251Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:02.114472Z"},{"id":"GHSA-f522-ffg8-j8r6","title":"Regular Expression Denial of Service in is-my-json-valid","description":"Version of `is-my-json-valid` before 2.12.4 are vulnerable to regular expression denial of service (ReDoS) via the email validation function.\n\n\n## Recommendation\n\nUpdate to version 2.12.4 or later.","status":"published","published":"2017-10-24T18:33:35Z","modified":"2025-10-17T17:50:27Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T15:46:46.006631Z"},{"id":"CLSA-2026-1773015272","title":"TuxCare security update for is-my-json-valid (2 CVEs)","description":"TuxCare rebuilt is-my-json-valid to address 2 CVEs. Fixed in 2.12.2-tuxcare.1.","status":"published","published":"2026-08-04T14:52:11Z","modified":"2026-10-15T09:45:41.651552459Z","updated_at":"2026-11-02T15:43:43.249928Z"},{"id":"CLSA-2026-1773793045","title":"TuxCare security update for is-my-json-valid (2 CVEs)","description":"TuxCare rebuilt is-my-json-valid to address 2 CVEs. Fixed in 2.10.1-tuxcare.1.","status":"published","published":"2026-08-04T14:52:13Z","modified":"2026-10-15T09:47:47.117705616Z","updated_at":"2026-11-02T15:43:43.621843Z"}]}}