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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-54231

CVE-2026-54231: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

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Vendor advisory comparison

Red Hat

1 advisory
  • Advisory severityMedium5.5

    Medium [CVE-2026-54231] Abrt: unsanitized systemd journal content written to dump directory files enables content injection

    CVE-2026-54231Source published Source updated

    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. Red Hat is aware of this vulnerability affecting ABRT event handler scripts in libreport. ABRT was deprecated in Red Hat Enterprise Linux 8 and is not available in Red Hat Enterprise Linux 9 or later. Users of RHEL 8 who have ABRT installed are encouraged to disable or remove it. Fedora users are affected on Fedora…

    Affected products in this advisory
    • Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
    • Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
    • Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
    • Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On

    5 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    • abrt-0:2.10.9-26.el8_10
    • abrt-0:2.10.9-25.el8_4.2
    • abrt-0:2.10.9-25.el8_6.2
    • abrt-0:2.10.9-25.el8_8.2

    4 more entries in the full advisory.

    Mitigation guidance
    • 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
    Full advisory and evidenceOpen source bulletin

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