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.

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 wi…

EPSS: 0.002 (4.8th percentile) — read the EPSS interpretation.

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.

Affected products

Dragonflyoss Dragonfly — versions < 2.1.0
Linuxfoundation Dragonfly

Weakness classification (CWE)

CWE-328 — Use of Weak Hash

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
security-advisories@github.com (Product, x_refsource_MISC)

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.