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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-104037

CVE-2026-104037: 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-2026-104037] Sssd: sssd: denial of service via packet length underflow in autofs responder

    CVE-2026-104037Source published Source updated

    A flaw was found in SSSD. A local attacker can exploit this issue by sending a specially crafted request with an invalid packet length to the autofs responder UNIX socket. This causes an integer underflow and an out-of-bounds memory read, which can crash the responder process and result in a denial of service (DoS). This vulnerability is rated as Moderate because exploitation is limited to a local denial of service against the SSSD autofs responder daemon, without enabling privilege escalation or data confidentiality/integrity loss. The autofs responder is only exposed if enabled in the SSSD configuration and accessible through its local UNIX socket. Systems where SSSD does not manage automount maps or where the autofs responder is inactive are unaffected by this issue. Red Hat severity…

    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
    • If automount map integration via SSSD is not required, disable the autofs responder service: 1. Stop and mask the socket-activated service: ```bash systemctl stop sssd-autofs.socket sssd-autofs.service systemctl mask sssd-autofs.socket ``` 2. If `autofs` is explicitly defined in `/etc/sssd/sssd.conf`, remove `autofs` from the `services` directive under the `[sssd]` section and restart the SSSD service: ```bash systemctl restart sssd ``` Caveats: Disabling the responder prevents SSSD from resolving automount maps. Warning: Modifying these configurations and restarting SSSD will disrupt active automount operations and may temporarily impact identity lookups during the service restart.
    Full advisory and evidenceOpen source bulletin

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