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Fencer Vulns
high 7.5

CVE-2006-5465 in the critical feed json

Buffer overflow in PHP before 5.2.0 allows remote attackers to execute arbitrary code via crafted UTF-8 inputs to the (1) htmlentities or (…

published 2006-11-04 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-5450

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
10.3%
EPSS 10.3% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

Buffer overflow in PHP before 5.2.0 allows remote attackers to execute arbitrary code via crafted UTF-8 inputs to the (1) htmlentities or (2) htmlspecialchars functions.

Patch / fix

  • php RHEL 1 APPLICATION_STACK 5.1.4-1.el4s1.5
  • php-gd RHEL 1 APPLICATION_STACK 5.1.4-1.el4s1.5
  • php-dba RHEL 1 APPLICATION_STACK 5.1.4-1.el4s1.5
  • php-pdo RHEL 1 APPLICATION_STACK 5.1.4-1.el4s1.5
  • php-xml RHEL 1 APPLICATION_STACK 5.1.4-1.el4s1.5
  • php-imap RHEL 1 APPLICATION_STACK 5.1.4-1.el4s1.5
  • php-ldap RHEL 1 APPLICATION_STACK 5.1.4-1.el4s1.5
  • php-odbc RHEL 1 APPLICATION_STACK 5.1.4-1.el4s1.5

red hat advisories RHSA-2006:0731RHSA-2006:0730

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2006-5465 updated

PHP buffer overflow

  • Red Hat Application Stack v1 for Enterprise Linux AS (v.4) php 5.1.4-1.el4s1.5, php-gd 5.1.4-1.el4s1.5, php-dba 5.1.4-1.el4s1.5, php-pdo 5.1.4-1.el4s1.5, php-xml 5.1.4-1.el4s1.5, php-imap 5.1.4-1.el4s1.5, +10 more Red Hat Application Stack v1 for Enterprise Linux ES (v.4) php 5.1.4-1.el4s1.5, php-gd 5.1.4-1.el4s1.5, php-dba 5.1.4-1.el4s1.5, php-pdo 5.1.4-1.el4s1.5, php-xml 5.1.4-1.el4s1.5, php-imap 5.1.4-1.el4s1.5, +10 more
    fixed: vendor fix RHSA-2006:0731
  • Red Hat Desktop version 3 php 4.3.2-37.ent, php-imap 4.3.2-37.ent, php-ldap 4.3.2-37.ent, php-odbc 4.3.2-37.ent, php-mysql 4.3.2-37.ent, php-pgsql 4.3.2-37.ent Red Hat Enterprise Linux AS (Advanced Server) version 2.1 php 4.1.2-2.13, php-imap 4.1.2-2.13, php-ldap 4.1.2-2.13, php-odbc 4.1.2-2.13, php-mysql 4.1.2-2.13, php-pgsql 4.1.2-2.13, +1 more Red Hat Enterprise Linux AS version 3 php 4.3.2-37.ent, php-imap 4.3.2-37.ent, php-ldap 4.3.2-37.ent, php-odbc 4.3.2-37.ent, php-mysql 4.3.2-37.ent, php-pgsql 4.3.2-37.ent Red Hat Enterprise Linux AS version 4 php 4.3.9-3.22, php-gd 4.3.9-3.22, php-imap 4.3.9-3.22, php-ldap 4.3.9-3.22, php-odbc 4.3.9-3.22, php-pear 4.3.9-3.22, +7 more Red Hat Enterprise Linux Desktop version 4 php 4.3.9-3.22, php-gd 4.3.9-3.22, php-imap 4.3.9-3.22, php-ldap 4.3.9-3.22, php-odbc 4.3.9-3.22, php-pear 4.3.9-3.22, +7 more Red Hat Enterprise Linux ES version 2.1 php 4.1.2-2.13, php-imap 4.1.2-2.13, php-ldap 4.1.2-2.13, php-odbc 4.1.2-2.13, php-mysql 4.1.2-2.13, php-pgsql 4.1.2-2.13, +1 more
    +6 more products
    Red Hat Enterprise Linux ES version 3 php 4.3.2-37.ent, php-imap 4.3.2-37.ent, php-ldap 4.3.2-37.ent, php-odbc 4.3.2-37.ent, php-mysql 4.3.2-37.ent, php-pgsql 4.3.2-37.ent Red Hat Enterprise Linux ES version 4 php 4.3.9-3.22, php-gd 4.3.9-3.22, php-imap 4.3.9-3.22, php-ldap 4.3.9-3.22, php-odbc 4.3.9-3.22, php-pear 4.3.9-3.22, +7 more Red Hat Enterprise Linux WS version 2.1 php 4.1.2-2.13, php-imap 4.1.2-2.13, php-ldap 4.1.2-2.13, php-odbc 4.1.2-2.13, php-mysql 4.1.2-2.13, php-pgsql 4.1.2-2.13, +1 more Red Hat Enterprise Linux WS version 3 php 4.3.2-37.ent, php-imap 4.3.2-37.ent, php-ldap 4.3.2-37.ent, php-odbc 4.3.2-37.ent, php-mysql 4.3.2-37.ent, php-pgsql 4.3.2-37.ent Red Hat Enterprise Linux WS version 4 php 4.3.9-3.22, php-gd 4.3.9-3.22, php-imap 4.3.9-3.22, php-ldap 4.3.9-3.22, php-odbc 4.3.9-3.22, php-pear 4.3.9-3.22, +7 more Red Hat Linux Advanced Workstation 2.1 php 4.1.2-2.13, php-imap 4.1.2-2.13, php-ldap 4.1.2-2.13, php-odbc 4.1.2-2.13, php-mysql 4.1.2-2.13, php-pgsql 4.1.2-2.13, +1 more
    fixed: vendor fix RHSA-2006:0730
  • Red Hat Stronghold 4.0 for Red Hat Enterprise Linux AS (version 2.1)
    fixed: vendor fix RHSA-2006:0736

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

10.31% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.