CVE-2018-11386

MEDIUM

Symfony HttpFoundation 2.7.0-2.7.47 - Denial of Service via PDOSessionHandler

Title source: llm
STIX 2.1

Description

An issue was discovered in the HttpFoundation component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11. The PDOSessionHandler class allows storing sessions on a PDO connection. Under some configurations and with a well-crafted payload, it was possible to do a denial of service on a Symfony application without too much resources.

Scores

CVSS v3 5.9
EPSS 0.0161
EPSS Percentile 72.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-613
Status published
Products (4)
debian/debian_linux 9.0
sensiolabs/symfony 2.7.0 - 2.7.48
symfony/http-foundation 2.7.0 - 2.7.48Packagist
symfony/symfony 2.7.0 - 2.7.48Packagist
Published Jun 13, 2018
Tracked Since Feb 18, 2026