CVE-2026-90996

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-90996
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90996.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-90996
Downstream
CLSA (2)
DEBIAN (1)
OESA (4)
UBUNTU (1)
Published
2026-09-14T15:55:42Z
Modified
2026-10-28T02:31:06Z
Severity
  • 4.0 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
Summary
Sssd: sssd: denial of service in nss responder via crafted zero-length requests
Details

A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services (NSS) responder. This could lead to a denial-of-service condition, causing the NSS responder to become unstable or terminate. This vulnerability affects the availability of the system responder.

Database specific 
{
    "cna_assigner":  "redhat",
    "cwe_ids":  [
        "CWE-191"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90996.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 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:fedoraproject:sssd:2.12.0:*:*:*:*:*:*:*",
            "range":  [
                {
                    "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-2026-90996.json"