CVE-2019-25683

FileZilla 3.40.0 Denial of Service via Local Search

6.9 Medium

FileZilla 3.40.0 contains a denial of service vulnerability in the local search functionality that allows local attackers to crash the application by supplying a malformed path string. Attackers can trigger the crash by entering a crafted path containing 384 'A' characters followed by 'BBBB' and 'CCCC' sequences in the search directory field and initiating a local search operation.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.18%Up 0.2 points since Apr 6, 2026

What each source reports

CVE List Score used 6.9

FileZilla 3.40.0 Denial of Service via Local Search

Record: CVE-2019-25683
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-532
Updated: 2026-11-02

EUVDEUVD-2019-20101 6.9

Record: EUVD-2019-20101
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-g5wj-4965-6q9m 6.9

FileZilla 3.40.0 contains a denial of service vulnerability in the local search functionality...

Record: GHSA-g5wj-4965-6q9m
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-532
Updated: 2026-11-02

NVD 6.9

Record: CVE-2019-25683
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-532
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-25683 6.9

Record: UBUNTU-CVE-2019-25683
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1: 6.2 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`filezilla` Ubuntu:16.04:LTS	All versions, plus listed versions 3.12.0.2-1ubuntu23.14.1-1ubuntu13.15.0.2-0ubuntu13.15.0.2-1ubuntu1	None known
`filezilla` Ubuntu:18.04:LTS	All versions, plus listed versions 3.27.0~rc1-13.28.0-1	None known
`filezilla` Ubuntu:20.04:LTS	All versions, plus listed versions 3.39.0-23.45.1-33.45.1-3build13.46.3-1~build13.46.3-13.46.3-1build13.46.3-1ubuntu0.1	None known
`filezilla` Ubuntu:22.04:LTS	All versions, plus listed versions 3.52.2-33.56.0-13.56.2-13.57.0-13.57.0-1build13.58.0-13.58.0-1ubuntu0.1	None known
`filezilla` Ubuntu:24.04:LTS	All versions, plus listed versions 3.65.0-33.66.1-23.66.1-33.66.1-3.23.66.1-4 Show 5 moreShow less 3.66.4-13.66.4-23.66.5-23.66.5-2build13.66.5-2build2	None known
`filezilla` Ubuntu:25.10	All versions, plus listed versions 3.68.1-13.69.3-1	None known
`filezilla` Ubuntu:26.10	All versions, plus listed versions 3.69.6-13.69.6-23.70.6-23.71.0-1	None known
`filezilla` Ubuntu:26.04:LTS	All versions, plus listed versions 3.69.3-13.69.5-13.69.6-1	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-25683 is a medium vulnerability (CVSS 6.9) in Filezilla-project Filezilla, published April 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. No source names a fixed version.