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Fencer Vulns
medium 6.5

CVE-2022-42012 json

An issue was discovered in D-Bus before 1.12.24, 1.13.x and 1.14.x before 1.14.4, and 1.15.x before...

published 2022-10-09 4 y ago modified 2026-07-23 3 mo ago also EUVD-2022-45112 , JLSEC-2025-21

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

An issue was discovered in D-Bus before 1.12.24, 1.13.x and 1.14.x before 1.14.4, and 1.15.x before 1.15.2. An authenticated attacker can cause dbus-daemon and other programs that use libdbus to crash by sending a message with attached file descriptors in an unexpected format.

Patch / fix

  • julia Dbus_jll 1.14.10+0
  • freedesktop dbus 1.12.24, 1.14.4, 1.15.2
  • dbus Debian 14, Debian 13, Debian 12 1.14.4-1

debian advisories DEBIAN-CVE-2022-42012

  • dbus Ubuntu 18.04 LTS 1.12.2-1ubuntu1.4
  • dbus Ubuntu 20.04 LTS 1.12.16-2ubuntu2.3
  • dbus Ubuntu 22.04 LTS 1.12.20-2ubuntu4.1
  • dbus Ubuntu Pro 14.04 LTS 1.6.18-0ubuntu4.5+esm3
  • dbus Ubuntu Pro 16.04 LTS 1.10.6-1ubuntu3.6+esm2

ubuntu advisories UBUNTU-CVE-2022-42012

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • dbus RHEL 9 1:1.12.20-7.el9_1
  • dbus-x11 RHEL 9 1:1.12.20-7.el9_1
  • dbus-libs RHEL 9 1:1.12.20-7.el9_1
  • dbus-tools RHEL 9 1:1.12.20-7.el9_1
  • dbus-common RHEL 9 1:1.12.20-7.el9_1
  • dbus-daemon RHEL 9 1:1.12.20-7.el9_1
  • dbus RHEL 8 1:1.12.8-23.el8_7.1
  • dbus-x11 RHEL 8 1:1.12.8-23.el8_7.1

red hat advisories RHSA-2023:0335RHSA-2023:0096RHSA-2022:8977RHSA-2022:8812

  • dbus-1 SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.8.22-38.1
  • dbus-1-x11 SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 1.8.22-38.1
  • dbus-1 SLE Module for Basesystem 15 SP4, SLE Micro 5.3, openSUSE Leap 15.4 1.12.2-150400.18.5.1
  • dbus-1-x11 SLE Module for Basesystem 15 SP4, SLE Micro 5.3, openSUSE Leap 15.4 1.12.2-150400.18.5.1
  • dbus-1 SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES 15 SP2-LTSS +17 more 1.12.2-150100.8.14.1
  • dbus-1-x11 SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES 15 SP2-LTSS +16 more 1.12.2-150100.8.14.1
  • dbus-1 SLES for SAP 12 SP4, SLES 12 SP4-LTSS, SLES 12 SP3-BCL +2 more 1.8.22-29.24.1
  • dbus-1-x11 SLES for SAP 12 SP4, SLES 12 SP4-LTSS, SLES 12 SP3-BCL +2 more 1.8.22-29.24.1

suse advisories SUSE-SU-2022:4295-1SUSE-SU-2022:3806-1SUSE-SU-2022:3805-1SUSE-SU-2022:3804-1

  • dbus AlmaLinux 9 1:1.12.20-7.el9_1
  • dbus-x11 AlmaLinux 9 1:1.12.20-7.el9_1
  • dbus-libs AlmaLinux 9 1:1.12.20-7.el9_1
  • dbus-tools AlmaLinux 9 1:1.12.20-7.el9_1
  • dbus-common AlmaLinux 9 1:1.12.20-7.el9_1
  • dbus-daemon AlmaLinux 9 1:1.12.20-7.el9_1
  • dbus AlmaLinux 8 1:1.12.8-23.el8_7.1
  • dbus-x11 AlmaLinux 8 1:1.12.8-23.el8_7.1

almalinux advisories ALSA-2023:0335ALSA-2023:0096

  • dbus Rocky Linux 9 1:1.12.20-7.el9_1
  • dbus Rocky Linux 8 1:1.12.8-23.el8_7.1

rocky linux advisories RLSA-2023:0335RLSA-2023:0096

  • dbus Alpine 3.15, Alpine 3.14, Alpine 3.13 1.12.24-r0
  • dbus Alpine 3.24, Alpine 3.23, Alpine 3.22 +6 more 1.14.4-r0

alpine advisories ALPINE-CVE-2022-42012

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • dbus CBL-Mariner 2.0 1.15.2-2

azure linux advisories AZL-11093

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

  • dbus Arch Linux 1.14.4-1

arch linux advisories AVG-2805

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-2022-42012 updated cvss 6.5

dbus: `_dbus_marshal_byteswap` doesn't process fds in messages with "foreign" endianness correctly

  • Red Hat Enterprise Linux 6 dbus, dbus-x11, dbus-libs Red Hat Enterprise Linux 7 dbus, dbus-x11, dbus-libs, dbus-tests
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) dbus-x11 1.12.8-23.el8_7.1
    fixed: vendor fix RHSA-2023:0096
  • Red Hat Enterprise Linux AppStream (v. 9) dbus-x11 1.12.20-7.el9_1, dbus-daemon 1.12.20-7.el9_1
    fixed: vendor fix RHSA-2023:0335
  • Red Hat Enterprise Linux AppStream EUS (v.8.6) dbus-x11 1.12.8-18.el8_6.2
    fixed: vendor fix RHSA-2022:8812
  • Red Hat Enterprise Linux AppStream EUS (v.9.0) dbus-x11 1.12.20-5.el9_0.1, dbus-daemon 1.12.20-5.el9_0.1
    fixed: vendor fix RHSA-2022:8977
  • Red Hat Enterprise Linux BaseOS (v. 8) dbus 1.12.8-23.el8_7.1, dbus-libs 1.12.8-23.el8_7.1, dbus-tools 1.12.8-23.el8_7.1, dbus-common 1.12.8-23.el8_7.1, dbus-daemon 1.12.8-23.el8_7.1
    fixed: vendor fix RHSA-2023:0096
  • Red Hat Enterprise Linux BaseOS (v. 9) dbus 1.12.20-7.el9_1, dbus-libs 1.12.20-7.el9_1, dbus-tools 1.12.20-7.el9_1, dbus-common 1.12.20-7.el9_1
    fixed: vendor fix RHSA-2023:0335
  • Red Hat Enterprise Linux BaseOS EUS (v.8.6) dbus 1.12.8-18.el8_6.2, dbus-libs 1.12.8-18.el8_6.2, dbus-tools 1.12.8-18.el8_6.2, dbus-common 1.12.8-18.el8_6.2, dbus-daemon 1.12.8-18.el8_6.2
    fixed: vendor fix RHSA-2022:8812
show 1 more
  • Red Hat Enterprise Linux BaseOS EUS (v.9.0) dbus 1.12.20-5.el9_0.1, dbus-libs 1.12.20-5.el9_0.1, dbus-tools 1.12.20-5.el9_0.1, dbus-common 1.12.20-5.el9_0.1
    fixed: vendor fix RHSA-2022:8977

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

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.77% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gitlab.freedesktop.org https://gitlab.freedesktop.org/dbus/dbus/-/issues/417 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
julia Dbus_jll
<1.14.10+0
1.14.10+0

Classification

Weakness
  • CWE-20 Improper Input Validation

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.