Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service (host crash), obtain sensitive information, or possibly have other impacts via unspecified vectors.
CVE-2013-1964
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 0%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 26.9%
- KEV
- Not listed
Published
May 21, 2013
Last Modified
April 29, 2026
References (16)
- secalert@redhathttp://lists.fedoraproject.org/pipermail/package-announce/2013-May/104537.html
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- secalert@redhathttp://secunia.com/advisories/55082
- secalert@redhathttp://security.gentoo.org/glsa/glsa-201309-24.xml
- secalert@redhathttp://www.debian.org/security/2013/dsa-2666
- secalert@redhathttp://www.openwall.com/lists/oss-security/2013/04/18/9
- secalert@redhathttp://www.securityfocus.com/bid/59293
- secalert@redhathttp://www.securitytracker.com/id/1028459
- af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104537.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/55082
- af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-201309-24.xml
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2013/dsa-2666
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/04/18/9
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/59293
Data Freshness Timeline
(refreshed 8× in last 7d / 38× 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.
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-06 02:19 UTCEPSS rescore
- 2026-07-05 07:59 UTCOSV refresh
- 2026-07-05 02:26 UTCEPSS rescore
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- 2026-06-25 13:46 UTCEPSS rescore
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- 2026-06-23 21:30 UTCEPSS rescore
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- 2026-06-21 14:53 UTCEPSS rescore
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- 2026-06-18 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 19:13 UTCOSV refresh
- 2026-06-16 17:49 UTCEPSS rescore
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- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
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- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-11 13:56 UTCEPSS rescore
- 2026-06-10 13:18 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
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- 2026-06-05 22:44 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-31 00:14 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 23:51 UTCEG score recompute
- 2026-05-28 23:51 UTCGHSA enrichment
- 2026-05-28 13:42 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
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-24 16:43 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-22 21:15 UTCEPSS rescore
- 2026-05-21 22:39 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
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- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2013-1964?
CVE-2013-1964 is a none vulnerability published on May 21, 2013. Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service (host crash), obtain sensitive information, or possibly have other impacts via unspecified vectors.
When was CVE-2013-1964 disclosed?
CVE-2013-1964 was first published in the National Vulnerability Database on May 21, 2013, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-1964 actively exploited?
CVE-2013-1964 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2013-1964?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-1964, 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.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2013-1964
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