{"vulnerability": "CVE-2021-46877", "sightings": [{"uuid": "5d33d898-14f1-47af-a6fd-4bd82a8bc70b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2021-46877", "type": "seen", "source": "https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0395/", "content": "", "creation_timestamp": "2026-04-02T17:00:00.000000Z"}, {"uuid": "74cf15a3-eb12-4a89-a0d3-217664276c5c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-46877", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/5588", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-46877\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: jackson-databind 2.10.x through 2.12.x before 2.12.6 and 2.13.x before 2.13.1 allows attackers to cause a denial of service (2 GB transient heap usage per read) in uncommon situations involving JsonNode JDK serialization.\n\ud83d\udccf Published: 2023-03-18T00:00:00.000Z\n\ud83d\udccf Modified: 2025-02-26T19:02:21.440Z\n\ud83d\udd17 References:\n1. https://groups.google.com/g/jackson-user/c/OsBsirPM_Vw\n2. https://github.com/FasterXML/jackson-databind/issues/3328", "creation_timestamp": "2025-02-26T19:24:19.000000Z"}]}