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CVE-2022-31213: An issue was discovered in dbus-broker before 31

57
This week
HIGH 7.5REMOTEUPGRADE

CVE-2022-31213 is a high-severity flaw (CVSS 7.5) affecting dbus-broker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in dbus-broker before 31. Multiple NULL pointer dereferences can be found when supplying a malformed XML config file.

Why this priority

  • High severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance2.3% (top 17%)
CISA exploited listNo
WeaknessCWE-476
Published2022-07-17
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: dbus-broker project

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

Am I affected?

Timeline

dbus-broker project dbus-broker UPGRADE
Affected: < 31
Fixed in: 31
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy dbus-broker || rpm -q dbus-broker || dbus-broker --version
2. UPGRADE to 31 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade dbus-broker
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade dbus-broker
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2022-31213?

dbus-broker: upgrade to 31. Exact commands for each OS are on this page.

Is CVE-2022-31213 being exploited?

CVE-2022-31213 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-2022-31213 affect?

CVE-2022-31213 affects dbus-broker. Severity is high (CVSS 7.5). An issue was discovered in dbus-broker before 31. Multiple NULL pointer dereferences can be found when supplying a malformed XML config file.

How urgent is CVE-2022-31213?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

References

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