CVE-2016-3071

HIGHNVD 7.57.5—

7.5

Libreswan 3.16 might allow remote attackers to cause a denial of service (daemon restart) via an IKEv2 aes_xcbc transform.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 77.0%
KEV: Not listed

Published

April 18, 2016

Last Modified

May 6, 2026

References (10)

secalert@redhathttp://download.libreswan.org/CHANGES
secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2016-April/182050.html
secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2016-April/182130.html
secalert@redhathttp://www.securityfocus.com/bid/87295
secalert@redhathttps://libreswan.org/security/CVE-2016-3071/CVE-2016-3071.txt
af854a3a-2127-422b-91ae-364da2661108http://download.libreswan.org/CHANGES
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182050.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182130.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/87295
af854a3a-2127-422b-91ae-364da2661108https://libreswan.org/security/CVE-2016-3071/CVE-2016-3071.txt

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 20:59 UTCOSV refresh
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore

Frequently asked(5)

What is CVE-2016-3071?

CVE-2016-3071 is a high vulnerability published on April 18, 2016. Libreswan 3.16 might allow remote attackers to cause a denial of service (daemon restart) via an IKEv2 aes_xcbc transform.

When was CVE-2016-3071 disclosed?

CVE-2016-3071 was first published in the National Vulnerability Database on April 18, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-3071 actively exploited?

CVE-2016-3071 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-3071?

CVE-2016-3071 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2016-3071?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-3071, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2016-3071

📅 Published

🔄 Last Modified

🔗 References (10)