{"id":"CVE-2024-23339","aliases":["EUVD-2024-0244","GHSA-4c2g-hx49-7h25"],"status":"published","title":"hoolock does not block Prototype pollution with object-path related utilities","description":"hoolock is a suite of lightweight utilities designed to maintain a small footprint when bundled. Starting in version 2.0.0 and prior to version 2.2.1, utility functions related to object paths (`get`, `set`, and `update`) did not block attempts to access or alter object prototypes. Starting in version 2.2.1, the `get`, `set` and `update` functions throw a `TypeError` when a user attempts to access or alter inherited properties.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01007,"percentile":0.63324,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-1321"],"published":"2024-01-22T22:54:53Z","modified":"2026-06-17T07:12:37Z","exploits":[{"source":"pocgithub","id":"200101WhoAmI/CVE-2024-23339","title":"200101WhoAmI/CVE-2024-23339","date":"2024-08-21","url":"https://github.com/200101WhoAmI/CVE-2024-23339"}],"fixes":[{"ecosystem":"npm","package":"hoolock","fixed_in":["2.2.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"hoolock","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.2.1"}]}]},{"source":"osv","ecosystem":"npm","package":"hoolock","ranges":[{"type":"SEMVER","events":[{"introduced":"2.0.0"},{"fixed":"2.2.1"}]}]}],"products":[{"vendor":"elijahharry","product":"hoolock"}],"references":[{"url":"https://github.com/elijahharry/hoolock/security/advisories/GHSA-4c2g-hx49-7h25","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web"]},{"url":"https://github.com/elijahharry/hoolock/commit/97ae80e856774335d92743c635ffeae2f652b982","tags":["x_refsource_MISC","x_transferred","Patch","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-23339","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4c2g-hx49-7h25"},{"url":"https://github.com/elijahharry/hoolock","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-23339","title":"hoolock does not block Prototype pollution with object-path related utilities","description":"hoolock is a suite of lightweight utilities designed to maintain a small footprint when bundled. Starting in version 2.0.0 and prior to version 2.2.1, utility functions related to object paths (`get`, `set`, and `update`) did not block attempts to access or alter object prototypes. Starting in version 2.2.1, the `get`, `set` and `update` functions throw a `TypeError` when a user attempts to access or alter inherited properties.","status":"published","published":"2024-01-22T22:54:53.096Z","modified":"2025-06-17T21:19:25.952Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:34:05.444281Z"}],"euvd":[{"id":"EUVD-2024-0244","description":"hoolock is a suite of lightweight utilities designed to maintain a small footprint when bundled. Starting in version 2.0.0 and prior to version 2.2.1, utility functions related to object paths (`get`, `set`, and `update`) did not block attempts to access or alter object prototypes. Starting in version 2.2.1, the `get`, `set` and `update` functions throw a `TypeError` when a user attempts to access or alter inherited properties.","status":"published","published":"2024-01-22T22:54:53Z","modified":"2025-06-17T21:19:25Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T20:32:21.000623Z"}],"ghsa":[{"id":"GHSA-4c2g-hx49-7h25","title":"Prototype pollution not blocked by object-path related utilities in hoolock","description":"### Impact\nUtility functions related to object paths (`get`, `set` and `update`) did not block attempts to access or alter object prototypes.\n\n### Patches\nThe `get`, `set` and `update` functions will throw a `TypeError` when a user attempts to access or alter inherited properties in versions \u003e=2.2.1.","status":"published","published":"2024-01-23T14:43:13Z","modified":"2024-11-12T01:50:23Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:38:16.477822Z"}],"nvd":[{"id":"CVE-2024-23339","description":"hoolock is a suite of lightweight utilities designed to maintain a small footprint when bundled. Starting in version 2.0.0 and prior to version 2.2.1, utility functions related to object paths (`get`, `set`, and `update`) did not block attempts to access or alter object prototypes. Starting in version 2.2.1, the `get`, `set` and `update` functions throw a `TypeError` when a user attempts to access or alter inherited properties.","status":"published","published":"2024-01-22T23:15:08.413Z","modified":"2026-06-17T07:12:37.647Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:09:32.147098Z"}],"osv":[{"id":"GHSA-4c2g-hx49-7h25","title":"Prototype pollution not blocked by object-path related utilities in hoolock","description":"### Impact\nUtility functions related to object paths (`get`, `set` and `update`) did not block attempts to access or alter object prototypes.\n\n### Patches\nThe `get`, `set` and `update` functions will throw a `TypeError` when a user attempts to access or alter inherited properties in versions \u003e=2.2.1.","status":"published","published":"2024-01-23T14:43:13Z","modified":"2024-01-23T14:56:36.720812Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:36.782754Z"}]}}