Control-flow hijack via oversized Exit folder input
Published Feb 12, 2026 · Updated Feb 12, 2026
Stack-based buffer overflow in AVS4YOU AVS Audio Converter 9.1 allows local users to overwrite registers via oversized Exit folder input. The Exit folder handler fails to reject an oversized string; 264 padding bytes followed by attacker-controlled data overwrite EIP and ECX. Exploitation requires local interaction with the Windows desktop interface and can crash the process or redirect execution in the application's security context.
Summary
What happened
Stack-based buffer overflow in AVS4YOU AVS Audio Converter 9.1 allows local users to overwrite registers via oversized Exit folder input. The Exit folder handler fails to reject an oversized string; 264 padding bytes followed by attacker-controlled data overwrite EIP and ECX. Exploitation requires local interaction with the Windows desktop interface and can crash the process or redirect execution in the application's security context.
The record
- CVE
- CVE-2019-25331
- Published
- Feb 12, 2026
- Updated
- Feb 12, 2026
- Vendor
- AVS4YOU
- Product
- AVS Audio Converter
- Classifications
- CWE-121, T1203
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Feb 12, 2026CVE publishedPublication date reported by the CVE source.
- Feb 12, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=9.1
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- AVS Audio Converter 9.1 - Exit folder Buffer Overflowproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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