CVE-2016-7411

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Summary

CVECVE-2016-7411
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-09-17 21:59:02 UTC
Updated2026-05-06 22:30:45 UTC
Descriptionext/standard/var_unserializer.re in PHP before 5.6.26 mishandles object-deserialization failures, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via an unserialize call that references a partially constructed object.

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

EPSS: 0.005460000 probability, percentile 0.678890000 (date 2026-05-06)

Problem Types: CWE-119 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Php Php All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
PHP Multiple Memory Corruption Errors Let Remote and Local Users Execute Arbitrary Code on the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
PHP: PHP 5 ChangeLog af854a3a-2127-422b-91ae-364da2661108 www.php.net Release Notes
Fix bug #73052 - Memory Corruption in During Deserialized-object Dest… · php/php-src@6a7cc8f · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch
PHP: Multiple vulnerabilities (GLSA 201611-22) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
PHP 'ext/standard/var_unserializer.c' Memory Corruption Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
oss-security - Re: CVE assignment for PHP 5.6.26 and 7.0.11 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List
PHP :: Sec Bug #73052 :: Memory Corruption in During Deserialized-object Destruction af854a3a-2127-422b-91ae-364da2661108 bugs.php.net Exploit, Issue Tracking
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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