CVE-2015-2338: TPview.dll in VMware Workstation 10.x before 10.0.6 and 11.x before 11.1.1, VMware Player 6.x before 6.0.6 and

Routine

MEDIUM 6.1DOWNGRADEDOWNGRADEDOWNGRADE

CVE-2015-2338 is a medium-severity flaw (CVSS 6.1) affecting horizon client, horizon view client, fusion. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TPview.dll in VMware Workstation 10.x before 10.0.6 and 11.x before 11.1.1, VMware Player 6.x before 6.0.6 and 7.x before 7.1.1, and VMware Horizon Client 3.2.x before 3.2.1, 3.3.x, and 5.x local-mode before 5.4.2 on Windows does not properly allocate memory, which allows guest OS users to cause a host OS denial of service via unspecified vectors, a different vulnerability than CVE-2015-2339.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-399
Published	2015-06-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: vmware

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-06-13 14:59 UTCPublished CVE record published
2026-06-17 00:23 UTCUpdated Record last modified

vmware horizon client DOWNGRADE

Affected: 3.2.0 · 3.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2.0

1. Check installed version

apt-cache policy horizon-client || rpm -q horizon-client || horizon-client --version

2. No fixed release: DOWNGRADE to a release before 3.2.0 (Debian / Ubuntu)

apt-cache madison horizon-client sudo apt install horizon-client=<VERSION_BEFORE_3.2.0> sudo apt-mark hold horizon-client

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list horizon-client sudo dnf downgrade horizon-client-<VERSION_BEFORE_3.2.0> sudo dnf versionlock add horizon-client

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

vmware horizon view client DOWNGRADE

Affected: 5.4 · 5.4.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.4

1. Check installed version

apt-cache policy horizon-view-client || rpm -q horizon-view-client || horizon-view-client --version

2. No fixed release: DOWNGRADE to a release before 5.4 (Debian / Ubuntu)

apt-cache madison horizon-view-client sudo apt install horizon-view-client=<VERSION_BEFORE_5.4> sudo apt-mark hold horizon-view-client

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list horizon-view-client sudo dnf downgrade horizon-view-client-<VERSION_BEFORE_5.4> sudo dnf versionlock add horizon-view-client

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

vmware fusion DOWNGRADE

Affected: 6.0 · 6.0.1 · 6.0.2 · 6.0.3 · 6.0.4 · 6.0.5 · 7.0 · 7.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy fusion || rpm -q fusion || fusion --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison fusion sudo apt install fusion=<VERSION_BEFORE_6.0> sudo apt-mark hold fusion

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list fusion sudo dnf downgrade fusion-<VERSION_BEFORE_6.0> sudo dnf versionlock add fusion

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

vmware player DOWNGRADE

Affected: 6.0 · 6.0.1 · 6.0.2 · 6.0.3 · 6.0.4 · 6.0.5 · 7.0 · 7.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy player || rpm -q player || player --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison player sudo apt install player=<VERSION_BEFORE_6.0> sudo apt-mark hold player

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list player sudo dnf downgrade player-<VERSION_BEFORE_6.0> sudo dnf versionlock add player

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

vmware workstation DOWNGRADE

Affected: 10.0 · 10.0.1 · 10.0.2 · 10.0.3 · 10.0.4 · 10.0.5 · 11.0 · 11.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.0

1. Check installed version

apt-cache policy workstation || rpm -q workstation || workstation --version

2. No fixed release: DOWNGRADE to a release before 10.0 (Debian / Ubuntu)

apt-cache madison workstation sudo apt install workstation=<VERSION_BEFORE_10.0> sudo apt-mark hold workstation

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list workstation sudo dnf downgrade workstation-<VERSION_BEFORE_10.0> sudo dnf versionlock add workstation

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-2338?

horizon client: downgrade or apply the listed mitigation; horizon view client: downgrade or apply the listed mitigation; fusion: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-2338 being exploited?

CVE-2015-2338 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-2338 affect?

CVE-2015-2338 affects horizon client, horizon view client, fusion. Severity is medium (CVSS 6.1). TPview.dll in VMware Workstation 10.x before 10.0.6 and 11.x before 11.1.1, VMware Player 6.x before 6.0.6 and 7.x before 7.1.1, and VMware Horizon Client 3.2.x before 3.2.1, 3.3.x, and 5.x local-mode before 5.4.2 on Windows does not proper

How urgent is CVE-2015-2338?

Priority 34/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities · VMware vulnerabilities

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References

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