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CVE-2006-4486

12
FAUCET Score

CVE-2006-4486 is an integer overflow vulnerability affecting PHP versions prior to 5.1.6 when running on 64-bit systems. This flaw allows attackers to bypass the memory_limit restriction, potentially leading to denial of service or other impacts. The vulnerability has a low CVSS score of 2.6, indicating a network attack vector with high attack complexity and a partial impact on integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.1.0CPE matchmatch criteria
cpe:2.3:a:php:php:5.1.0:*:*:*:*:*:*:*
5.1.1CPE matchmatch criteria
cpe:2.3:a:php:php:5.1.1:*:*:*:*:*:*:*
5.1.2CPE matchmatch criteria
cpe:2.3:a:php:php:5.1.2:*:*:*:*:*:*:*
5.1.4CPE matchmatch criteria
cpe:2.3:a:php:php:5.1.4:*:*:*:*:*:*:*
5.1.5CPE matchmatch criteria
cpe:2.3:a:php:php:5.1.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

AV:N/AC:H/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.66%
Probability of exploitation in next 30 days
EPSS Percentile
74.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0166 is in the 63rd percentile among its peer group of 1,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: php-0:4.3.2-36.ent
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: php-0:4.3.9-3.18
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux ES version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux WS version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Web Application Stack for RHEL 4Fixed in: php-0:5.1.4-1.el4s1.4
View patch

Vendor Advisories (1)

redhatCVE-2006-4486Moderate

security flaw

Aug 18, 2006

References

patches.sgi.com / support/free/security/advisories/20061001-01-P.asc
rhn.redhat.com / errata/RHSA-2006-0688.html
secunia.com / advisories/21546
Vendor Advisory
secunia.com / advisories/22004
Vendor Advisory
secunia.com / advisories/22069
Vendor Advisory
secunia.com / advisories/22225
Vendor Advisory
secunia.com / advisories/22331
Vendor Advisory
secunia.com / advisories/22440
Vendor Advisory
secunia.com / advisories/22487
Vendor Advisory
secunia.com / advisories/22538
Vendor Advisory
secunia.com / advisories/25945
Vendor Advisory
securitytracker.com / id
issues.rpath.com / browse/RPL-683
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11086
support.avaya.com / elmodocs2/security/ASA-2006-221.htm
support.avaya.com / elmodocs2/security/ASA-2006-222.htm
support.avaya.com / elmodocs2/security/ASA-2006-223.htm
debian.org / security/2007/dsa-1331
hardened-php.net / hphp/changelog.html
Patch
novell.com / linux/security/advisories/2006_52_php.html
php.net / ChangeLog-5.php
php.net / release_5_1_6.php
Patch
redhat.com / support/errata/RHSA-2006-0669.html
redhat.com / support/errata/RHSA-2006-0682.html
securityfocus.com / archive/1/447866/100/0/threaded
securityfocus.com / bid/19582
turbolinux.com / security/2006/TLSA-2006-38.txt
ubuntu.com / usn/usn-362-1