CVE-2016-2271

MEDIUMNVD 5.55.5—

5.5

VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 20.6%
KEV: Not listed

Published

February 19, 2016

Last Modified

May 6, 2026

References (14)

cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html
cve@mitrehttp://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html
cve@mitrehttp://support.citrix.com/article/CTX209443
cve@mitrehttp://www.debian.org/security/2016/dsa-3519
cve@mitrehttp://www.securitytracker.com/id/1035043
cve@mitrehttp://xenbits.xen.org/xsa/advisory-170.html
cve@mitrehttps://security.gentoo.org/glsa/201604-03
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177990.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178518.html
af854a3a-2127-422b-91ae-364da2661108http://support.citrix.com/article/CTX209443
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3519
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1035043
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-170.html
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201604-03

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 22:59 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
2026-06-01 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
2026-05-27 13:38 UTCEPSS rescore

Frequently asked(5)

What is CVE-2016-2271?

CVE-2016-2271 is a medium vulnerability published on February 19, 2016. VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.

When was CVE-2016-2271 disclosed?

CVE-2016-2271 was first published in the National Vulnerability Database on February 19, 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-2016-2271 actively exploited?

CVE-2016-2271 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-2271?

CVE-2016-2271 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2016-2271?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-2271, 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-2016-2271

📅 Published

🔄 Last Modified

🔗 References (14)