CVE-2016-6290
Summary
| CVE | CVE-2016-6290 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-07-25 14:59:02 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | ext/session/session.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 does not properly maintain a certain hash data structure, which allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via vectors related to session deserialization. |
Risk And Classification
Primary CVSS: v3.0 9.8 CRITICAL from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Problem Types: CWE-416 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 9.8 | CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
PartialAvailability
PartialAV:N/AC:L/Au:N/C:P/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Php | Php | 5.6.0 | alpha1 | All | All |
| Application | Php | Php | 5.6.0 | alpha2 | All | All |
| Application | Php | Php | 5.6.0 | alpha3 | All | All |
| Application | Php | Php | 5.6.0 | alpha4 | All | All |
| Application | Php | Php | 5.6.0 | alpha5 | All | All |
| Application | Php | Php | 5.6.0 | beta1 | All | All |
| Application | Php | Php | 5.6.0 | beta2 | All | All |
| Application | Php | Php | 5.6.0 | beta3 | All | All |
| Application | Php | Php | 5.6.0 | beta4 | All | All |
| Application | Php | Php | 5.6.1 | All | All | All |
| Application | Php | Php | 5.6.10 | All | All | All |
| Application | Php | Php | 5.6.11 | All | All | All |
| Application | Php | Php | 5.6.12 | All | All | All |
| Application | Php | Php | 5.6.13 | All | All | All |
| Application | Php | Php | 5.6.14 | All | All | All |
| Application | Php | Php | 5.6.15 | All | All | All |
| Application | Php | Php | 5.6.16 | All | All | All |
| Application | Php | Php | 5.6.17 | All | All | All |
| Application | Php | Php | 5.6.18 | All | All | All |
| Application | Php | Php | 5.6.19 | All | All | All |
| Application | Php | Php | 5.6.2 | All | All | All |
| Application | Php | Php | 5.6.20 | All | All | All |
| Application | Php | Php | 5.6.21 | All | All | All |
| Application | Php | Php | 5.6.22 | All | All | All |
| Application | Php | Php | 5.6.23 | All | All | All |
| Application | Php | Php | 5.6.3 | All | All | All |
| Application | Php | Php | 5.6.4 | All | All | All |
| Application | Php | Php | 5.6.5 | All | All | All |
| Application | Php | Php | 5.6.6 | All | All | All |
| Application | Php | Php | 5.6.7 | All | All | All |
| Application | Php | Php | 5.6.8 | All | All | All |
| Application | Php | Php | 5.6.9 | All | All | All |
| Application | Php | Php | 7.0.0 | All | All | All |
| Application | Php | Php | 7.0.1 | All | All | All |
| Application | Php | Php | 7.0.2 | All | All | All |
| Application | Php | Php | 7.0.3 | All | All | All |
| Application | Php | Php | 7.0.4 | All | All | All |
| Application | Php | Php | 7.0.5 | All | All | All |
| Application | Php | Php | 7.0.8 | All | All | All |
| Application | Php | Php | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| 208.43.231.11 Git - php-src.git/commit | af854a3a-2127-422b-91ae-364da2661108 | git.php.net | |
| PHP 'session.c' Use After Free Remote Code Execution Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| PHP: Multiple vulnerabilities (GLSA 201611-22) — Gentoo security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | |
| PHP Multiple Flaws Let Remote and Local Users Obtain Potentially Sensitive Information and Execute Arbitrary Code - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| About the security content of macOS Sierra 10.12 - Apple Support | af854a3a-2127-422b-91ae-364da2661108 | support.apple.com | |
| PHP: PHP 7 ChangeLog | af854a3a-2127-422b-91ae-364da2661108 | php.net | |
| Debian -- Security Information -- DSA-3631-1 php5 | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| oss-security - Re: Fwd: CVE for PHP 5.5.38 issues | af854a3a-2127-422b-91ae-364da2661108 | openwall.com | Mailing List, Release Notes |
| APPLE-SA-2016-09-20 macOS Sierra 10.12 | af854a3a-2127-422b-91ae-364da2661108 | lists.apple.com | |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | |
| PHP :: Sec Bug #72562 :: Use After Free in unserialize() with Unexpected Session Deserialization | af854a3a-2127-422b-91ae-364da2661108 | bugs.php.net | Issue Tracking |
| PHP: PHP 5 ChangeLog | af854a3a-2127-422b-91ae-364da2661108 | php.net | Release Notes |
| 208.43.231.11 Git - php-src.git/commit | MITRE | git.php.net | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.