CVE-2025-59351: dragonflyoss dragonfly · NULL Pointer Dereference
Affects dragonflyoss dragonflySource CVE Database V5
Not known to be exploited · CVSS 2.7 Low : upgrade to 2.1.0 when convenient.
Data as of 26 Oct 2026, 09:15 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2.1.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:UExploitation evidence
Disclosed: evidence found.
CVE published 17 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade dragonflyoss dragonfly to 2.1.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| dragonflyoss dragonfly | Affected
| Fixed in
|
AI-suggested
European organizations should promptly upgrade dragonfly to version 2.1.0 or later, where this vulnerability is fixed. If immediate upgrade is not feasible, organizations should implement monitoring to detect application crashes or abnormal behavior indicative of nil pointer dereference issues. Employing runtime application self-protection (RASP) or container orchestration health checks can help automatically restart affected services to minimize downtime. Additionally, code auditing and static analysis can be used to identify similar unsafe dereference patterns in custom forks or integrations. Network segmentation and limiting exposure of dragonfly services to trusted internal networks can reduce the risk of remote exploitation. Finally, maintaining up-to-date backups and disaster recovery plans will help mitigate the impact of any service disruption caused by this vulnerability.
Description
Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, the first return value of a function is dereferenced even when the function returns an error. This can result in a nil dereference, and cause code to panic. This vulnerability is fixed in 2.1.0.