{"cve":"CVE-2025-59354","nvd":{"published":"2025-09-17T20:15:38.120","modified":"2026-06-17T09:45:57.970","status":"Analyzed","description":"Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, the DragonFly2 uses a variety of hash functions, including the MD5 hash, for downloaded files. This allows attackers to replace files with malicious ones that have a colliding hash. This vulnerability is fixed in 2.1.0.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","score":5.5},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-328"],"references":["https://github.com/dragonflyoss/dragonfly/blob/main/docs/security/dragonfly-comprehensive-report-2023.pdf","https://github.com/dragonflyoss/dragonfly/security/advisories/GHSA-hx2h-vjw2-8r54"],"products":["linuxfoundation:dragonfly"],"source":"nvd","synced_at":"2026-10-19T22:10:08.713834912+00:00"},"epss":{"cve":"CVE-2025-59354","score":0.00163,"percentile":0.0548,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-hx2h-vjw2-8r54","url":"https://osv.dev/vulnerability/GHSA-hx2h-vjw2-8r54","summary":"DragonFly has weak integrity checks for downloaded files","modified":"2025-09-26T16:19:42Z","packages":[{"ecosystem":"Go","name":"github.com/dragonflyoss/dragonfly","purl":"pkg:golang/github.com/dragonflyoss/dragonfly","ranges":["<2.1.0"],"fixed":["2.1.0"]},{"ecosystem":"Go","name":"d7y.io/dragonfly/v2","purl":"pkg:golang/d7y.io/dragonfly/v2","ranges":["<2.1.0"],"fixed":["2.1.0"]}]},{"id":"GO-2025-3973","url":"https://osv.dev/vulnerability/GO-2025-3973","summary":"DragonFly has weak integrity checks for downloaded files in d7y.io/dragonfly","modified":"2026-03-03T04:57:28.630653Z","packages":[{"ecosystem":"Go","name":"d7y.io/dragonfly/v2","purl":"pkg:golang/d7y.io/dragonfly/v2","ranges":["<2.1.0"],"fixed":["2.1.0"]},{"ecosystem":"Go","name":"github.com/dragonflyoss/dragonfly","purl":"pkg:golang/github.com/dragonflyoss/dragonfly","ranges":["all versions"],"fixed":[]}]}],"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."]}