CVE-2014-3533: dbus 1.3.0 before 1.6.22 and 1.8.x before 1.8.6 allows local users to cause a denial of service (disconnect) v

Routine

LOW 2.1WATCHLISTMITIGATEMITIGATEMITIGATE

CVE-2014-3533 is a low-severity flaw (CVSS 2.1) affecting debian linux, dbus, mageia. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

dbus 1.3.0 before 1.6.22 and 1.8.x before 1.8.6 allows local users to cause a denial of service (disconnect) via a certain sequence of crafted messages that cause the dbus-daemon to forward a message containing an invalid file descriptor.

Why this priority

On your watchlist

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

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-20
Published	2014-07-19
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: debian · freedesktop · mageia project · opensuse

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

Am I affected?

Timeline

2014-07-19 19:55 UTCPublished CVE record published
2026-06-17 00:08 UTCUpdated Record last modified

debian debian linux MITIGATE

Affected: 7.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

freedesktop dbus MITIGATE

Affected: 1.3.0 · 1.3.1 · 1.4.0 · 1.4.1 · 1.4.4 · 1.4.6 · 1.4.8 · 1.4.10

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Downgrade not recommended

This is a core system component: downgrading can break the OS. Apply the distro update or the vendor mitigation.

mageia project mageia MITIGATE

Affected: 3 · 4

Fixed in: no fixed release known

Safe to downgrade to: a release before 3

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

opensuse opensuse MITIGATE

Affected: 12.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.3

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2014-3533?

debian linux: mitigate or apply the listed mitigation; dbus: mitigate or apply the listed mitigation; mageia: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-3533 being exploited?

CVE-2014-3533 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-2014-3533 affect?

CVE-2014-3533 affects debian linux, dbus, mageia. Severity is low (CVSS 2.1). dbus 1.3.0 before 1.6.22 and 1.8.x before 1.8.6 allows local users to cause a denial of service (disconnect) via a certain sequence of crafted messages that cause the dbus-daemon to forward a message containing an invalid file descriptor.

How urgent is CVE-2014-3533?

Priority 21/100. On your watchlist

Software pages

Debian vulnerabilities

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References

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