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CVE-2025-59348GHSA-2QGR-GFVJ-QPCRGO-2025-3963

Dragonfly incorrectly handles a task structure’s usedTraffic field

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.1.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: yes
  • Technical impact: partial

Summary

Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, the processPieceFromSource method does not update the structure’s usedTraffic field, because an uninitialized variable n is used as a guard to the AddTraffic method call, instead of the result.Size variable. A task is processed by a peer. The usedTraffic metadata is not updated during the processing. Rate limiting is incorrectly applied, leading to a denial-of-service condition for the peer. This vulnerability is fixed in 2.1.0.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • dragonflyoss dragonfly

    fixed in 2.1.0

  • github.com/dragonflyoss/dragonflyGo

    fixed in 2.1.0

  • d7y.io/dragonfly/v2Go

    fixed in 2.1.0

  • github.com/dragonflyoss/dragonflyGo

    All versions

References 2

GitHub · dragonflyoss/dragonfly