DLL hijacking (TextShaping.dll) in FileZilla Client 3.63.1
FileZilla Client 3.63.1 for Windows is vulnerable to DLL search order hijacking due to an uncontrolled search path element. When FileZilla launches, it attempts to load a DLL named TextShaping.dll from the application directory. An attacker who can place a crafted/malicious TextShaping.dll in the FileZilla installation/application directory can cause FileZilla to load and execute attacker-controlled code on startup, resulting in arbitrary code execution in the context of the user running FileZilla.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
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Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
The version that knows your environment.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.