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CVE-2016-4473

/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code....

9.8 CriticalFix available

CVE-2016-4473 is a critical vulnerability (CVSS 9.8) in Php, published September 18, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.75%, the 94th percentile. Fixed in php5 5.4.45-0+deb7u5.

/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code. NOTE: Introduced as part of an incomplete fix to CVE-2015-6833.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

7.75%Up 2.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.8

/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code. NOTE: Introduced as part of an incomplete fix to CVE-2015-6833.

Record
CVE-2016-4473
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-416
Updated
2026-11-02
CVE List No score

/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code. NOTE: Introduced as part of an incomplete fix to CVE-2015-6833.

Record
CVE-2016-4473
Updated
2026-11-02
EUVDEUVD-2016-5460 No score

/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code. NOTE: Introduced as part of an incomplete fix to CVE-2015-6833.

Record
EUVD-2016-5460
Updated
2026-11-03
GitHub AdvisoriesGHSA-jvpg-hmq4-6326 9.8

/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code....

/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code. NOTE: Introduced as part of an incomplete fix to CVE-2015-6833.

Record
GHSA-jvpg-hmq4-6326
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-416
Updated
2026-11-02
OSV 9.8

/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code. NOTE: Introduced as part of an incomplete fix to CVE-2015-6833.

Record
CVE-2016-4473
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2016:2750 8.1

Red Hat Security Advisory: rh-php56 security, bug fix, and enhancement update

Record
RHSA-2016:2750
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2016-4473 9.8

/ext/phar/phar_object.c in PHP 7.0.7 and 5.6.x allows remote attackers to execute arbitrary code. NOTE: Introduced as part of an incomplete fix to CVE-2015-6833.

Record
UBUNTU-CVE-2016-4473
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVSUSE-SU-2016:2460-1 No score

Security update for php7

This update for php7 fixes the following security issues:

  • CVE-2016-6128: Invalid color index not properly handled [bsc#987580]
  • CVE-2016-6161: global out of bounds read when encoding gif from malformed input withgd2togif [bsc#988032]
  • CVE-2016-6292: Null pointer dereference in exif_process_user_comment [bsc#991422]
  • CVE-2016-6295: Use after free in SNMP with GC and unserialize() [bsc#991424]
  • CVE-2016-6297: Stack-based buffer overflow vulnerability in php_stream_zip_opener [bsc#991426]
  • CVE-2016-6291: Out-of-bounds access in exif_process_IFD_in_MAKERNOTE [bsc#991427]
  • CVE-2016-6289: Integer overflow leads to buffer overflow in virtual_file_ex [bsc#991428]
  • CVE-2016-6290: Use after free in unserialize() with Unexpected Session Deserialization [bsc#991429]
  • CVE-2016-5399: Improper error handling in bzread() [bsc#991430]
  • CVE-2016-6296: Heap buffer overflow vulnerability in simplestring_addn in simplestring.c [bsc#991437]
  • CVE-2016-6207: Integer overflow error within _gdContributionsAlloc() [bsc#991434]
  • CVE-2016-4473: Invalid free() instead of efree() in phar_extract_file()
  • CVE-2016-7124: Create an Unexpected Object and Don't Invoke __wakeup() in Deserialization
  • CVE-2016-7125: PHP Session Data Injection Vulnerability
  • CVE-2016-7126: select_colors write out-of-bounds
  • CVE-2016-7127: imagegammacorrect allowed arbitrary write access
  • CVE-2016-7128: Memory Leakage In exif_process_IFD_in_TIFF
  • CVE-2016-7129: wddx_deserialize allowed illegal memory access
  • CVE-2016-7131: wddx_deserialize null dereference with invalid xml
  • CVE-2016-7132: wddx_deserialize null dereference in php_wddx_pop_element
  • CVE-2016-7133: memory allocator fails to realloc small block to large one
  • CVE-2016-7134: Heap overflow in the function curl_escape
  • CVE-2016-7130: wddx_deserialize null dereference
  • CVE-2016-7413: Use after free in wddx_deserialize
  • CVE-2016-7412: Heap overflow in mysqlnd when not receiving UNSIGNED_FLAG in BIT field
  • CVE-2016-7417: Missing type check when unserializing SplArray
  • CVE-2016-7416: Stack based buffer overflow in msgfmt_format_message
  • CVE-2016-7418: Null pointer dereference in php_wddx_push_element
  • CVE-2016-7414: Out of bounds heap read when verifying signature of zip phar in phar_parse_zipfile
Record
SUSE-SU-2016:2460-1
Updated
2026-11-02
OSVSUSE-SU-2016:2460-2 No score

Security update for php7

This update for php7 fixes the following security issues:

  • CVE-2016-6128: Invalid color index not properly handled [bsc#987580]
  • CVE-2016-6161: global out of bounds read when encoding gif from malformed input withgd2togif [bsc#988032]
  • CVE-2016-6292: Null pointer dereference in exif_process_user_comment [bsc#991422]
  • CVE-2016-6295: Use after free in SNMP with GC and unserialize() [bsc#991424]
  • CVE-2016-6297: Stack-based buffer overflow vulnerability in php_stream_zip_opener [bsc#991426]
  • CVE-2016-6291: Out-of-bounds access in exif_process_IFD_in_MAKERNOTE [bsc#991427]
  • CVE-2016-6289: Integer overflow leads to buffer overflow in virtual_file_ex [bsc#991428]
  • CVE-2016-6290: Use after free in unserialize() with Unexpected Session Deserialization [bsc#991429]
  • CVE-2016-5399: Improper error handling in bzread() [bsc#991430]
  • CVE-2016-6296: Heap buffer overflow vulnerability in simplestring_addn in simplestring.c [bsc#991437]
  • CVE-2016-6207: Integer overflow error within _gdContributionsAlloc() [bsc#991434]
  • CVE-2016-4473: Invalid free() instead of efree() in phar_extract_file()
  • CVE-2016-7124: Create an Unexpected Object and Don't Invoke __wakeup() in Deserialization
  • CVE-2016-7125: PHP Session Data Injection Vulnerability
  • CVE-2016-7126: select_colors write out-of-bounds
  • CVE-2016-7127: imagegammacorrect allowed arbitrary write access
  • CVE-2016-7128: Memory Leakage In exif_process_IFD_in_TIFF
  • CVE-2016-7129: wddx_deserialize allowed illegal memory access
  • CVE-2016-7131: wddx_deserialize null dereference with invalid xml
  • CVE-2016-7132: wddx_deserialize null dereference in php_wddx_pop_element
  • CVE-2016-7133: memory allocator fails to realloc small block to large one
  • CVE-2016-7134: Heap overflow in the function curl_escape
  • CVE-2016-7130: wddx_deserialize null dereference
  • CVE-2016-7413: Use after free in wddx_deserialize
  • CVE-2016-7412: Heap overflow in mysqlnd when not receiving UNSIGNED_FLAG in BIT field
  • CVE-2016-7417: Missing type check when unserializing SplArray
  • CVE-2016-7416: Stack based buffer overflow in msgfmt_format_message
  • CVE-2016-7418: Null pointer dereference in php_wddx_push_element
  • CVE-2016-7414: Out of bounds heap read when verifying signature of zip phar in phar_parse_zipfile
Record
SUSE-SU-2016:2460-2
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
php5
Debian:7
before 5.4.45-0+deb7u5, plus listed versions
5.4.11-15.4.15-15.4.34-0+deb7u15.4.35-0+deb7u15.4.35-0+deb7u2
Show 34 moreShow less
5.4.36-0+deb7u15.4.36-0+deb7u35.4.38-0+deb7u15.4.39-0+deb7u15.4.39-0+deb7u25.4.4-145.4.4-14+deb7u15.4.4-14+deb7u105.4.4-14+deb7u115.4.4-14+deb7u125.4.4-14+deb7u135.4.4-14+deb7u145.4.4-14+deb7u25.4.4-14+deb7u35.4.4-14+deb7u45.4.4-14+deb7u55.4.4-14+deb7u75.4.4-14+deb7u85.4.4-14+deb7u95.4.4-155.4.4-15.15.4.41-0+deb7u15.4.44-0+deb7u15.4.45-0+deb7u15.4.45-0+deb7u25.4.45-0+deb7u35.4.45-0+deb7u45.4.6-15.4.6-25.4.8-15.4.9-15.4.9-25.4.9-35.4.9-4
5.4.45-0+deb7u5
rh-php56
Red Hat:rhel_software_collections:2::el6
before 0:2.3-1.el6
0:2.3-1.el6
rh-php56-php
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-bcmath
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-cli
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-common
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-dba
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-dbg
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-debuginfo
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-devel
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
Show 59 moreShow less
Affected packages
PackageAffectedFixed
rh-php56-php-embedded
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-enchant
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-fpm
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-gd
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-gmp
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-imap
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-intl
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-ldap
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-mbstring
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-mysqlnd
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-odbc
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-opcache
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-pdo
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-pear
Red Hat:rhel_software_collections:2::el6
before 1:1.9.5-4.el6
1:1.9.5-4.el6
rh-php56-php-pgsql
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-process
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-pspell
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-recode
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-snmp
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-soap
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-tidy
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-xml
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-php-xmlrpc
Red Hat:rhel_software_collections:2::el6
before 0:5.6.25-1.el6
0:5.6.25-1.el6
rh-php56-runtime
Red Hat:rhel_software_collections:2::el6
before 0:2.3-1.el6
0:2.3-1.el6
rh-php56-scldevel
Red Hat:rhel_software_collections:2::el6
before 0:2.3-1.el6
0:2.3-1.el6
rh-php56
Red Hat:rhel_software_collections:2::el7
before 0:2.3-1.el7
0:2.3-1.el7
rh-php56-php
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-bcmath
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-cli
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-common
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-dba
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-dbg
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-debuginfo
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-devel
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-embedded
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-enchant
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-fpm
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-gd
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-gmp
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-intl
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-ldap
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-mbstring
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-mysqlnd
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-odbc
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-opcache
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-pdo
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-pear
Red Hat:rhel_software_collections:2::el7
before 1:1.9.5-4.el7
1:1.9.5-4.el7
rh-php56-php-pgsql
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-process
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-pspell
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-recode
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-snmp
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-soap
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-xml
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-php-xmlrpc
Red Hat:rhel_software_collections:2::el7
before 0:5.6.25-1.el7
0:5.6.25-1.el7
rh-php56-runtime
Red Hat:rhel_software_collections:2::el7
before 0:2.3-1.el7
0:2.3-1.el7
rh-php56-scldevel
Red Hat:rhel_software_collections:2::el7
before 0:2.3-1.el7
0:2.3-1.el7
php7
SUSE:Linux Enterprise Module for Web and Scripting 12
before 7.0.7-15.1
7.0.7-15.1
php7
SUSE:Linux Enterprise Software Development Kit 12 SP1
before 7.0.7-15.1
7.0.7-15.1

History

History
WhenChangedSources
2026-11-03affected
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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