CVE-2016-6290

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CVSS 3.0

9.8 critical

EPSS

5%p92

Published

Jul 25, 2016 (Jul 25, 2016)

Modified

Jun 17, 2026

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.

Vendors: php
Products: php
Weakness: CWE-416
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (5.5%)

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