NULL pointer dereference in Libreswan

CVE-2016-5391

libreswan before 3.18 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto daemon restart).

EPSS: 0.030 (86.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Libreswan
Fedoraproject Fedora — versions 23, 24
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

secalert@redhat.com (vendor-advisory, x_refsource_FEDORA)
secalert@redhat.com (vendor-advisory, x_refsource_FEDORA)
secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking)
secalert@redhat.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-5391?: CVE-2016-5391 is a high-severity vulnerability in Libreswan, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-06-13.
How severe is CVE-2016-5391?: High severity. CVSS v3 base score is 7.5 out of 10.