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CVE-2026-90996 Details

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.

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References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/security/cve/CVE-2026-90996 [email protected]Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2478986 [email protected]ExploitIssue TrackingMitigationVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-191Integer Underflow (Wrap or Wraparound)[email protected]

Affected Products

ProductVersions
fedoraproject sssd
2.12.0

CPE

  • cpe:2.3:a:fedoraproject:sssd:2.12.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat openshift container platform
4.0

CPE

  • cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat enterprise linux
7.0
8.0
9.0
10.0

CPE

  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-90996
NVD Published Date:
Sep 14, 2026
NVD Last Modified:
Nov 6, 2026
Source:
[email protected]
CVE-2026-90996 Details - Not Deferred