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CVE-2025-59354

19
FAUCET Score

CVE-2025-59354 affects Linux Foundation's Dragonfly, an open-source P2P file distribution system, prior to version 2.1.0. The vulnerability stems from its reliance on weak hash functions like MD5 for downloaded files, enabling attackers to substitute legitimate files with malicious ones that share a colliding hash. Rated 5.3 MEDIUM, this vulnerability has a low attack complexity and no user interaction required, potentially leading to unauthorized information modification. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.0CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:dragonfly:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 4.0

5.5MEDIUM

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
4.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 1st percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/dragonflyoss/dragonflyFixed in: 2.1.0
gopatch availablevia ghsa
Product: d7y.io/dragonfly/v2Fixed in: 2.1.0

Vendor Advisories (1)

goGHSA-hx2h-vjw2-8r54medium

DragonFly has weak integrity checks for downloaded files

Sep 17, 2025

References

github.com / dragonflyoss/dragonfly/blob/main/docs/security/dragonfly-comprehensive-report-2023.pdf
Product
github.com / dragonflyoss/dragonfly/security/advisories/GHSA-hx2h-vjw2-8r54
PatchThird Party Advisory