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Vulnerability Details :

CVE-2026-54231

Summary
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
Published At-13 Jun, 2026 | 02:34
Updated At-13 Jun, 2026 | 02:34
Rejected At-
Credits

Abrt: unsanitized systemd journal content written to dump directory files enables content injection

A content injection vulnerability was found in the ABRT post-create event handler scripts in libreport. The event script queries the systemd journal for log entries matching the crashed process and writes the results to files in the dump directory without sanitizing embedded control characters. A local user can inject arbitrary content into the journal output by embedding newline characters in syslog messages, controlling the content that root writes to dump directory files.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:redhat
Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749
Published At:13 Jun, 2026 | 02:34
Updated At:13 Jun, 2026 | 02:34
Rejected At:
â–¼CVE Numbering Authority (CNA)
Abrt: unsanitized systemd journal content written to dump directory files enables content injection

A content injection vulnerability was found in the ABRT post-create event handler scripts in libreport. The event script queries the systemd journal for log entries matching the crashed process and writes the results to files in the dump directory without sanitizing embedded control characters. A local user can inject arbitrary content into the journal output by embedding newline characters in syslog messages, controlling the content that root writes to dump directory files.

Affected Products
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 6
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
abrt
CPEs
  • cpe:/o:redhat:enterprise_linux:6
Default Status
unknown
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 7
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
abrt
CPEs
  • cpe:/o:redhat:enterprise_linux:7
Default Status
affected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Enterprise Linux 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
abrt
CPEs
  • cpe:/o:redhat:enterprise_linux:8
Default Status
affected
Problem Types
TypeCWE IDDescription
CWECWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Type: CWE
CWE ID: CWE-74
Description: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Metrics
VersionBase scoreBase severityVector
3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Metrics Other Info
Red Hat severity rating
value:
Moderate
namespace:
https://access.redhat.com/security/updates/classification/
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

The following practices would help for avoiding exposure and mitigate this flaw: - Disable or remove ABRT if it is not required. On RHEL 8 systems where ABRT is installed, it can be disabled with: systemctl disable --now abrtd.service abrt-journal-core.service abrt-oops.service abrt-xorg.service - On Fedora systems, consider using systemd-coredump instead of ABRT for crash handling - Restrict local user access to systems running ABRT, as this vulnerability requires local access

Exploits

Credits

Red Hat would like to thank Red Team (Deutsche Telekom Security GmbH) for reporting this issue.
Timeline
EventDate
Reported to Red Hat.2026-06-12 21:02:40
Made public.2026-05-04 00:00:00
Event: Reported to Red Hat.
Date: 2026-06-12 21:02:40
Event: Made public.
Date: 2026-05-04 00:00:00
Replaced By

Rejected Reason

References
HyperlinkResource
https://access.redhat.com/security/cve/CVE-2026-54231
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2488571
issue-tracking
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/security/cve/CVE-2026-54231
Resource:
vdb-entry
x_refsource_REDHAT
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2488571
Resource:
issue-tracking
x_refsource_REDHAT
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secalert@redhat.com
Published At:13 Jun, 2026 | 03:16
Updated At:13 Jun, 2026 | 03:16

A content injection vulnerability was found in the ABRT post-create event handler scripts in libreport. The event script queries the systemd journal for log entries matching the crashed process and writes the results to files in the dump directory without sanitizing embedded control characters. A local user can inject arbitrary content into the journal output by embedding newline characters in syslog messages, controlling the content that root writes to dump directory files.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Type: Primary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-74Primarysecalert@redhat.com
CWE ID: CWE-74
Type: Primary
Source: secalert@redhat.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://access.redhat.com/security/cve/CVE-2026-54231secalert@redhat.com
N/A
https://bugzilla.redhat.com/show_bug.cgi?id=2488571secalert@redhat.com
N/A
Hyperlink: https://access.redhat.com/security/cve/CVE-2026-54231
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2488571
Source: secalert@redhat.com
Resource: N/A

Change History

0
Information is not available yet

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