CVE-2014-9221

strongswan: denial-of-service vulnerability in libtls when processing crafted Key Exchange payload

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Severity

Moderate

Red Hat Product Security

4.3

CVSS 2.0

Review impact separately from score.

Published · January 5, 2015

Updated · November 21, 2025

Description

strongSwan 4.5.x through 5.2.x before 5.2.1 allows remote attackers to cause a denial of service (invalid pointer dereference) via a crafted IKEv2 Key Exchange (KE) message with Diffie-Hellman (DH) group 1025.

Statement

This issue did not affect the versions of strongimcv as shipped with Red Hat Enterprise Linux 7 as they did not include support for strongswan IKEv1/IKEv2.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 4.3
AV:N/AC:M/Au:N/C:N/I:N/A:P

CWE not specified