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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.

PUBLISHED Reserved 2026-04-29 | Published 2026-04-29 | Updated 2026-04-30 | Assigner VulnCheck




HIGH: 8.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Product status

2.0
affected

Credits

Marwan Shamel finder

References

www.exploit-db.com/exploits/44499 (ExploitDB-44499) exploit

filehippo.com/download_free_download_manager/925/ (Product Reference) product

www.vulncheck.com/...ger-built-417-local-buffer-overflow-seh (VulnCheck Advisory: Free Download Manager 2.0 Built 417 Local Buffer Overflow SEH) third-party-advisory

cve.org (CVE-2018-25304)

nvd.nist.gov (CVE-2018-25304)

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