Vulnerability in Dragonflyoss Dragonfly
CVE-2025-59354
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (5.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Dragonflyoss Dragonfly — versions < 2.1.0
- Linuxfoundation Dragonfly
Weakness classification (CWE)
References
- github.com/dragonflyoss/dragonfly/security/advisories/GHSA-hx2h-vjw2-8r54 (Patch, Third Party Advisory)
- github.com/dragonflyoss/dragonfly/blob/main/docs/security/dragonfly-comprehensi… (Product)
Frequently asked questions
- What is CVE-2025-59354?
- CVE-2025-59354 is a medium-severity vulnerability in Dragonflyoss Dragonfly, classified under Use of Weak Hash. CVSS score: 5.3/10. Published 2025-09-17.
- How severe is CVE-2025-59354?
- Medium severity. CVSS v3 base score is 5.3 out of 10.