CVE-2006-6107: Unspecified vulnerability in the match_rule_equal function in bus/signals.c in D-Bus before 1.0.2 allows local

Routine

LOW 1.7DOWNGRADE

CVE-2006-6107 is a low-severity flaw (CVSS 1.7) affecting d-bus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in the match_rule_equal function in bus/signals.c in D-Bus before 1.0.2 allows local applications to remove match rules for other applications and cause a denial of service (lost process messages).

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	1.7 (Low)
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Published	2006-12-14
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: d-bus

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-12-14 00:28 UTCPublished CVE record published
2026-06-16 22:32 UTCUpdated Record last modified

d-bus d-bus DOWNGRADE

Affected: 0.13 · 0.20 · 0.21 · 0.22 · 0.23 · 1.0 · 1.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.13

1. Check installed version

apt-cache policy d-bus || rpm -q d-bus || d-bus --version

2. No fixed release: DOWNGRADE to a release before 0.13 (Debian / Ubuntu)

apt-cache madison d-bus sudo apt install d-bus=<VERSION_BEFORE_0.13> sudo apt-mark hold d-bus

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

dnf --showduplicates list d-bus sudo dnf downgrade d-bus-<VERSION_BEFORE_0.13> sudo dnf versionlock add d-bus

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-2006-6107?

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

Is CVE-2006-6107 being exploited?

CVE-2006-6107 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-2006-6107 affect?

CVE-2006-6107 affects d-bus. Severity is low (CVSS 1.7). Unspecified vulnerability in the match_rule_equal function in bus/signals.c in D-Bus before 1.0.2 allows local applications to remove match rules for other applications and cause a denial of service (lost process messages).

How urgent is CVE-2006-6107?

Priority 14/100. No elevated risk signals yet.

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References

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