How severe is CVE-2025-59351?

CVE-2025-59351 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-59351 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59351?

CVE-2025-59351 affects Linuxfoundation Dragonfly. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-59351?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-59351 have an EU (EUVD) identifier?

Yes. CVE-2025-59351 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29769.

When was CVE-2025-59351 published?

CVE-2025-59351 was published on 2025-09-17 and last updated on 2026-06-17.

CVE-2025-59351

CVE-2025-59351 is a medium-severity vulnerability in Linuxfoundation Dragonfly with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 2.7
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29769
Weakness: CWE-476
Affected product: Linuxfoundation Dragonfly
Published: 2025-09-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-59351?: 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.
How severe is CVE-2025-59351?: CVE-2025-59351 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-59351 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59351?: CVE-2025-59351 affects Linuxfoundation Dragonfly. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-59351?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-59351 have an EU (EUVD) identifier?: Yes. CVE-2025-59351 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29769.
When was CVE-2025-59351 published?: CVE-2025-59351 was published on 2025-09-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:linuxfoundation:dragonfly:*:*:*:*:*:go:*:*

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