Description
The session deserializer in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 mishandles multiple php_var_unserialize calls, which allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content.
Published: 2016-05-16
Score: 9.8 Critical
EPSS: 22.6% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-3358-1 php5 security update
Ubuntu USN Ubuntu USN USN-2758-1 PHP vulnerabilities
History

No history.

Subscriptions

Php Php
Redhat Rhel Software Collections
cve-icon MITRE

Status: PUBLISHED

Assigner: microfocus

Published:

Updated: 2024-08-06T07:36:33.384Z

Reserved: 2015-09-08T00:00:00.000Z

Link: CVE-2015-6835

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2016-05-16T10:59:19.580

Modified: 2026-05-06T22:30:45.220

Link: CVE-2015-6835

cve-icon Redhat

Severity : Low

Publid Date: 2015-08-09T00:00:00Z

Links: CVE-2015-6835 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses