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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-104042

CVE-2026-104042: 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-2026-104042] Sssd: sssd: denial of service via out-of-bounds read in pam responder

    CVE-2026-104042Source published Source updated

    A flaw was found in sssd. A local attacker can cause a Denial of Service (DoS) by sending a crafted Pluggable Authentication Module (PAM) request containing a zero-length authentication token to the responder socket. Due to missing input validation, the service attempts to read beyond buffer boundaries when processing the token, causing the PAM responder to crash. This vulnerability is rated as having Moderate impact because it requires local host access and is confined to causing a denial of service against the SSSD PAM responder service. Successful exploitation does not facilitate remote access, privilege escalation, or unauthorized data exposure. While local unprivileged users can interact with the PAM responder socket in standard deployments, the impact remains restricted to service…

    Affected products in this advisory
    • Red Hat Enterprise Linux 10
    • Red Hat Enterprise Linux 6
    • Red Hat Enterprise Linux 7
    • Red Hat Enterprise Linux 8

    33 more entries in the full advisory.

    Source-reported affected versions
    Affected-version details not available in this record.
    Source-reported fixed versions
    No fixed-version detail extracted. This does not mean no fix exists.
    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Workarounds
    • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
    Full advisory and evidenceOpen source bulletin

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