{"vulnerability": "CVE-2022-21653", "sightings": [{"uuid": "874a3dd0-726b-4973-b670-c937afb61157", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2022-21653", "type": "seen", "source": "https://t.me/cibsecurity/35014", "content": "\u203c CVE-2022-21653 \u203c\n\nJawn is an open source JSON parser. Extenders of the `org.typelevel.jawn.SimpleFacade` and `org.typelevel.jawn.MutableFacade` who don't override `objectContext()` are vulnerable to a hash collision attack which may result in a denial of service. Most applications do not implement these traits directly, but inherit from a library. `jawn-parser-1.3.1` fixes this issue and users are advised to upgrade. For users unable to upgrade override `objectContext()` to use a collision-safe collection.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2022-01-06T00:40:25.000000Z"}, {"uuid": "bae385d4-9522-4d6d-8bb3-0f412a0b3571", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2022-21653", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/12949", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2022-21653\n\ud83d\udd25 CVSS Score: 5.9 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\ud83d\udd39 Description: Jawn is an open source JSON parser. Extenders of the `org.typelevel.jawn.SimpleFacade` and `org.typelevel.jawn.MutableFacade` who don't override `objectContext()` are vulnerable to a hash collision attack which may result in a denial of service. Most applications do not implement these traits directly, but inherit from a library. `jawn-parser-1.3.1` fixes this issue and users are advised to upgrade. For users unable to upgrade override `objectContext()` to use a collision-safe collection.\n\ud83d\udccf Published: 2022-01-05T21:00:12.000Z\n\ud83d\udccf Modified: 2025-04-22T18:34:05.348Z\n\ud83d\udd17 References:\n1. https://github.com/typelevel/jawn/security/advisories/GHSA-vc89-hccf-rq55\n2. https://github.com/typelevel/jawn/pull/390", "creation_timestamp": "2025-04-22T19:03:45.000000Z"}]}