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CVE-2022-31212

25
FAUCET Score

CVE-2022-31212 is a stack-based buffer over-read vulnerability affecting dbus-broker versions prior to 31. It arises from improper parsing of malicious Exec lines by the c-shquote library, which dbus-broker depends on. With a CVSS score of 7.5 (HIGH), this vulnerability can be exploited remotely with low complexity, leading to a high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 31CPE matchmatch criteria
cpe:2.3:a:dbus-broker_project:dbus-broker:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.07%
Probability of exploitation in next 30 days
EPSS Percentile
79.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0207 is in the 64th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: dbus-broker-0:28-5.1.el9_0
View patch

Vendor Advisories (1)

redhatCVE-2022-31212Moderate

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

Jun 3, 2022

References

github.com / bus1/dbus-broker/compare/v30...v31
PatchThird Party Advisory
sec-consult.com / vulnerability-lab/advisory/memory-corruption-vulnerabilities-dbus-broker
ExploitThird Party Advisory
security.gentoo.org / glsa/202305-04