{"cve":"CVE-2021-46877","nvd":{"published":"2023-03-18T22:15:11.357","modified":"2026-06-17T04:15:42.883","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770"],"references":["https://github.com/FasterXML/jackson-databind/issues/3328","https://groups.google.com/g/jackson-user/c/OsBsirPM_Vw","https://github.com/FasterXML/jackson-databind/issues/3328","https://groups.google.com/g/jackson-user/c/OsBsirPM_Vw"],"products":["fasterxml:jackson-databind"],"source":"nvd","synced_at":"2026-10-19T21:37:48.383111019+00:00"},"epss":{"cve":"CVE-2021-46877","score":0.01124,"percentile":0.66263,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3x8x-79m2-3w2w","url":"https://osv.dev/vulnerability/GHSA-3x8x-79m2-3w2w","summary":"jackson-databind possible Denial of Service if using JDK serialization to serialize JsonNode","modified":"2026-09-10T03:49:52.469168227Z","packages":[{"ecosystem":"Maven","name":"com.fasterxml.jackson.core:jackson-databind","purl":"pkg:maven/com.fasterxml.jackson.core/jackson-databind","ranges":[">=2.10.0 <2.12.6"],"fixed":["2.12.6"]},{"ecosystem":"Maven","name":"com.fasterxml.jackson.core:jackson-databind","purl":"pkg:maven/com.fasterxml.jackson.core/jackson-databind","ranges":[">=2.13.0 <2.13.1"],"fixed":["2.13.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}