CVE-2015-6835

php: use-after-free vulnerability in session deserializer

Published May 16, 2016 CVSS 3.0 · 9.8 Critical EPSS 36.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

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.

Weaknesses

Sources

Status
PUBLISHED
Assigner
microfocus
Published
Updated
Aug 6, 2024, 7:36 AM
Reserved
Sep 8, 2015, 12:00 AM
Status
Modified
Published
May 16, 2016, 10:59 AM
Modified
Jun 17, 2026, 12:31 AM
Severity
Low
Public date
Aug 9, 2015, 12:00 AM