What’s Vulnerable › Vulnerabilities

CVE-2026-104029: Sssd: sssd: denial of service via out-of-bounds read in autofs responder

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-10-05 · updated 2026-10-31
• Weakness: CWE-125

Description

A flaw was found in SSSD. A local attacker can exploit this vulnerability by sending a specially crafted request to the autofs responder UNIX socket. Due to improper buffer offset calculation during request parsing, the service performs an out-of-bounds memory read. This flaw can cause the autofs responder process to crash, resulting in a denial of service (DoS).

Affected products

• [UNKNOWN] sssd: 2.12.0 (and their updates)
• Red Hat Enterprise Linux: 7.0, 8.0, 9.0, 10.0 (and their updates)
• Red Hat OpenShift Container Platform 4.18: 4.0 (and their updates)
• Red Hat OpenShift Container Platform 4.18: all versions
• Red Hat Enterprise Linux 10: all versions
• Red Hat Enterprise Linux 7: all versions
• Red Hat Enterprise Linux 8: all versions
• Red Hat Enterprise Linux 9: all versions
• Red Hat OpenShift Container Platform 5: all versions

References

• https://access.redhat.com/security/cve/CVE-2026-104029
• https://bugzilla.redhat.com/show_bug.cgi?id=2479444

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