Unrated severityNVD Advisory· Published Nov 9, 2015· Updated Jun 17, 2026

CVE-2015-3240

Description

The pluto IKE daemon in libreswan before 3.15 and Openswan before 2.6.45, when built with NSS, allows remote attackers to cause a denial of service (assertion failure and daemon restart) via a zero DH g^x value in a KE payload in a IKE packet.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Libreswan/Libreswan2 versions
cpe:2.3:a:libreswan:libreswan:3.14:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:libreswan:libreswan:3.14:*:*:*:*:*:*:*
- (no CPE)range: < 3.15
Xelerance/Openswanllm-create
Range: < 2.6.45

Patches

Vulnerability mechanics

References

libreswan.org/security/CVE-2015-3240/CVE-2015-3240.txtnvdVendor Advisory
lists.openswan.org/pipermail/users/2015-August/023401.htmlnvdVendor Advisory
rhn.redhat.com/errata/RHSA-2015-1979.htmlnvd
www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlnvd
www.securityfocus.com/bid/77536nvd
www.securitytracker.com/id/1033418nvd
security.gentoo.org/glsa/201603-13nvd

News mentions

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