Is CVE-2015-8339 in the CISA KEV catalog?

No. CVE-2015-8339 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-8339?

CVE-2015-8339 has a CVSS v2 base score of 4.7 (MEDIUM).

What is the EPSS score for CVE-2015-8339?

CVE-2015-8339 has an EPSS score of 0.38% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-8339?

Upgrade xen on debian 11 to 4.8.0~rc3-1 or later.

CVE & CISA-KEV Catalog

CVE-2015-8339

MEDIUM

4.7

CVSS v2

NVD

Description

The memory_exchange function in common/memory.c in Xen 3.2.x through 4.6.x does not properly hand back pages to a domain, which might allow guest OS administrators to cause a denial of service (host crash) via unspecified vectors related to domain teardown.

CWE-19

How to fix

Remediation Available

xenDebian

Fixed in:4.8.0~rc3-1CVE-2015-8339

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.38%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Patch1

support.citrix.com

Vendor Advisory1

xenbits.xen.org

Other references4

Related Vulnerabilities

Other CWE-19 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-5477	High	7.8	91%	-	Fix
CVE-2014-9034	Medium	5.0	83%	-	Fix
CVE-2016-4977	High	8.8	79%	-	-
CVE-2016-3236	Critical	9.8	78%	-	-
CVE-2014-7141	Medium	6.4	76%	-	Fix
CVE-2015-5374	High	7.8	74%	-	-

Embed a live status badge for CVE-2015-8339

Markdown

[![CVE-2015-8339](https://tridentstack.com/cve/badge/CVE-2015-8339.svg)](https://tridentstack.com/cve/CVE-2015-8339)

HTML

<a href="https://tridentstack.com/cve/CVE-2015-8339"><img src="https://tridentstack.com/cve/badge/CVE-2015-8339.svg" alt="CVE-2015-8339"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.