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Fencer Vulns
high 7.5

CVE-2022-31212 json

An issue was discovered in dbus-broker before 31.

published 2022-07-17 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52796

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

An issue was discovered in dbus-broker before 31. It depends on c-uitl/c-shquote to parse the DBus service's Exec line. c-shquote contains a stack-based buffer over-read if a malicious Exec line is supplied.

Patch / fix

  • dbus-broker_project dbus-broker 31
  • dbus-broker Debian 14, Debian 13, Debian 12 30-1

debian advisories DEBIAN-CVE-2022-31212

  • dbus-broker RHEL 9 28-5.1.el9_0

red hat advisories RHSA-2022:6608

  • dbus-broker Package Hub 15 SP4, openSUSE Leap 15.4 28-bp154.2.3.1

opensuse advisories openSUSE-SU-2022:10030-1

  • dbus-broker AlmaLinux 9 28-5.1.el9_0

almalinux advisories ALSA-2022:6608

  • dbus-broker Rocky Linux 9 28-5.1.el9

rocky linux advisories RLSA-2022:6608

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-31212 updated cvss 7.5

dbus-broker: a stack buffer over-read if a malicious Exec line is supplied

  • Red Hat Enterprise Linux BaseOS (v. 9) dbus-broker 28-5.1.el9_0
    fixed: vendor fix RHSA-2022:6608

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.29% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sec-consult.com https://sec-consult.com/vulnerability-lab/advisory/memory-corruption-vulnerabilities-dbus-broker/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.