SCA: security update for org.keycloak:keycloak-core (GHSA-jc6q-27mw-p55w)

high Tenable Cloud Security Plugin ID 422627

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2017-2646)

See Also

https://github.com/advisories/GHSA-jc6q-27mw-p55w

Plugin Details

Severity: High

ID: 422627

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2017-2646

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/18/2018

Vulnerability Publication Date: 3/10/2017

Reference Information

CVE: CVE-2017-2646

BID: 96882

cwe: CWE-835