CVE-2026-90995

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Source
https://cve.org/CVERecord?id=CVE-2026-90995
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90995.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-90995
Downstream
DEBIAN (1)
OESA (4)
UBUNTU (1)
Published
2026-09-14T15:55:32Z
Modified
2026-10-16T02:47:47Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Sssd: sssd: local denial of service due to null pointer dereference in pam responder
Details

A flaw was found in SSSD (System Security Services Daemon). A local attacker with privileges to connect to the PAM (Pluggable Authentication Modules) responder socket can send a specially crafted protocol request. If the pam_app_services configuration is enabled and the service item is omitted from the request, a NULL pointer dereference can occur. This vulnerability leads to a denial of service, causing the PAM responder to crash and disrupt authentication services.

Database specific 
{
    "cna_assigner":  "redhat",
    "cwe_ids":  [
        "CWE-476"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90995.json"
}
References

Affected packages

Git / github.com/sssd/sssd

Affected ranges

Type
GIT
Repo
https://github.com/sssd/sssd
Events
Introduced
1a1cf163b78ff4768cc8bfc1e631171bc021e2fe
Last Affected
1a1cf163b78ff4768cc8bfc1e631171bc021e2fe
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:fedoraproject:sssd:2.12.0:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "2.12.0"
        },
        {
            "last_affected":  "2.12.0"
        }
    ],
    "source":  "CPE_STRING"
}

Affected versions

2.*
2.12.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90995.json"