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.

Remediation

References

CVE-2016-6290

Related Vulnerabilities

Joomla Inadequate Encryption Strength Vulnerability (CVE-2021-23126)

LimeSurvey Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2021-44967)

WordPress Plugin Weaver Xtreme Theme Support Cross-Site Scripting (6.2.6)

Plone CMS Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-33513)

Moodle Permissions, Privileges, and Access Controls Vulnerability (CVE-2013-1836)

Severity

Critical

Classification

CVE-2016-6290 CWE-416 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities