Free Download Manager 2.0 Built 417 contains a local buffer overflow vulnerability in the URL import functionality that allows attackers to trigger a structured exception handler (SEH) chain exploitation. Attackers can craft a malicious URL file that, when imported through the File > Import > Import lists of downloads menu, causes a buffer overflow in the Location header response that overwrites the SEH chain and executes arbitrary code.

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Advisories

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Fixes

Solution

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Workaround

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History

Thu, 30 Apr 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 29 Apr 2026 20:00:00 +0000

Type Values Removed Values Added
Description Free Download Manager 2.0 Built 417 contains a local buffer overflow vulnerability in the URL import functionality that allows attackers to trigger a structured exception handler (SEH) chain exploitation. Attackers can craft a malicious URL file that, when imported through the File > Import > Import lists of downloads menu, causes a buffer overflow in the Location header response that overwrites the SEH chain and executes arbitrary code.
Title Free Download Manager 2.0 Built 417 Local Buffer Overflow SEH
First Time appeared Freedownloadmanager
Freedownloadmanager free Download Manager
Weaknesses CWE-120
CPEs cpe:2.3:a:freedownloadmanager:free_download_manager:2.0:*:*:*:*:*:*:*
Vendors & Products Freedownloadmanager
Freedownloadmanager free Download Manager
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-30T12:40:48.181Z

Reserved: 2026-04-29T12:07:57.580Z

Link: CVE-2018-25304

cve-icon Vulnrichment

Updated: 2026-04-30T12:40:43.781Z

cve-icon NVD

Status : Deferred

Published: 2026-04-29T20:16:25.760

Modified: 2026-04-30T15:44:48.290

Link: CVE-2018-25304

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-30T14:00:22Z

Weaknesses