Dragonfly up to 2.0.x processPieceFromSource usedTraffic uninitialized variable

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Dragonfly up to 2.0.x. Affected by this vulnerability is the function processPieceFromSource. Executing a manipulation of the argument usedTraffic can lead to uninitialized variable. This vulnerability is tracked as CVE-2025-59348. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Dragonfly up to 2.0.x and classified as problematic. This vulnerability affects the function processPieceFromSource. The manipulation of the argument usedTraffic with an unknown input leads to a uninitialized variable vulnerability. The CWE definition for the vulnerability is CWE-457. The code uses a variable that has not been initialized, leading to unpredictable or unintended results. As an impact it is known to affect availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability was named CVE-2025-59348 since 09/12/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 2.1.0 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized variable
CWE: CWE-457 / CWE-453
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Dragonfly 2.1.0

Timelineinfo

09/12/2025 CVE reserved
09/17/2025 +5 days VulDB entry created
09/18/2025 +0 days Advisory disclosed
09/18/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-2qgr-gfvj-qpcr
Status: Confirmed

CVE: CVE-2025-59348 (🔒)
GCVE (CVE): GCVE-0-2025-59348
GCVE (VulDB): GCVE-100-324742

Entryinfo

Created: 09/18/2025 00:31
Updated: 09/18/2025 04:17
Changes: 09/18/2025 00:31 (67), 09/18/2025 04:17 (1)
Complete: 🔍
Cache ID: 216::103

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