Input validation error in PHP - CVE-2006-4486
Published: October 30, 2018 / Updated: June 8, 2025
Vulnerability identifier: #VU110476
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2006-4486
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to corrupt data.
Integer overflow in memory allocation routines in PHP before 5.1.6, when running on a 64-bit system, allows context-dependent attackers to bypass the memory_limit restriction.
Affected software
PHP
How to mitigate CVE-2006-4486
Install update from vendor's website.
PHP - update to 5.1.6
External References
- ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
- http://rhn.redhat.com/errata/RHSA-2006-0688.html
- http://secunia.com/advisories/21546
- http://secunia.com/advisories/22004
- http://secunia.com/advisories/22069
- http://secunia.com/advisories/22225
- http://secunia.com/advisories/22331
- http://secunia.com/advisories/22440
- http://secunia.com/advisories/22487
- http://secunia.com/advisories/22538
- http://secunia.com/advisories/25945
- http://securitytracker.com/id?1016984
- http://support.avaya.com/elmodocs2/security/ASA-2006-221.htm
- http://support.avaya.com/elmodocs2/security/ASA-2006-222.htm
- http://support.avaya.com/elmodocs2/security/ASA-2006-223.htm
- http://www.debian.org/security/2007/dsa-1331
- http://www.hardened-php.net/hphp/changelog.html#hardening_patch_0.4.14
- http://www.novell.com/linux/security/advisories/2006_52_php.html
- http://www.php.net/ChangeLog-5.php#5.1.6
- http://www.php.net/release_5_1_6.php
- http://www.redhat.com/support/errata/RHSA-2006-0669.html
- http://www.redhat.com/support/errata/RHSA-2006-0682.html
- http://www.securityfocus.com/archive/1/447866/100/0/threaded
- http://www.securityfocus.com/bid/19582
- http://www.turbolinux.com/security/2006/TLSA-2006-38.txt
- http://www.ubuntu.com/usn/usn-362-1
- https://issues.rpath.com/browse/RPL-683
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11086