CVEvulnerability
CVE-2026-90996
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-09-14
- Last modified
- 2026-10-07
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.0 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-191
Description
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.
Affected configurations
• fedoraproject sssd 2.12.0
• redhat openshift container platform 4.0
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
• redhat enterprise linux 10.0
Related
Weakness · CWE (1)
- CWE-191 Integer Underflow (Wrap or Wraparound) weakness
References
- https://access.redhat.com/security/cve/CVE-2026-90996 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2478986 Exploit, Issue Tracking, Mitigation, Vendor Advisory