CVE-2018-8076: ZenMate 1.5.4 for macOS suffers from a type confusion vulnerability within the com.zenmate.chron-xpc LaunchDae

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HIGH 7.5REMOTEDOWNGRADE

CVE-2018-8076 is a high-severity flaw (CVSS 7.5) affecting zenmate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ZenMate 1.5.4 for macOS suffers from a type confusion vulnerability within the com.zenmate.chron-xpc LaunchDaemon component. The LaunchDaemon implements an XPC service that uses an insecure XPC API for accessing data from an inbound XPC message. This could potentially result in an XPC object of the wrong type being passed as the first argument to the xpc_connection_create_from_endpoint function if controlled by an attacker. In recent versions of

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-704
Published	2018-03-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: zenmate

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

Am I affected?

Timeline

2018-03-15 04:29 UTCPublished CVE record published
2026-06-17 02:04 UTCUpdated Record last modified

zenmate zenmate DOWNGRADE

Affected: 1.5.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5.4 (Debian / Ubuntu)

apt-cache madison zenmate sudo apt install zenmate=<VERSION_BEFORE_1.5.4> sudo apt-mark hold zenmate

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

dnf --showduplicates list zenmate sudo dnf downgrade zenmate-<VERSION_BEFORE_1.5.4> sudo dnf versionlock add zenmate

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-2018-8076?

zenmate: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-8076 being exploited?

CVE-2018-8076 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-2018-8076 affect?

CVE-2018-8076 affects zenmate. Severity is high (CVSS 7.5). ZenMate 1.5.4 for macOS suffers from a type confusion vulnerability within the com.zenmate.chron-xpc LaunchDaemon component. The LaunchDaemon implements an XPC service that uses an insecure XPC API for accessing data from an inbound XPC mes

How urgent is CVE-2018-8076?

Priority 47/100. High severity; Remotely exploitable, no login, no user action

Software pages

macOS vulnerabilities

References

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