CVE-2017-2646

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 27, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2017-2646: High severity, CVSS 7.5 | Vulnix