CVE-2026-90996

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.

Score

CVSS 3.1 5.5 Medium

Status

Analyzed - secalert@redhat.com

Published

2026-09-14

Last modified

2026-10-07

Weaknesses

CWE-191

Affected products

• Sssd (Fedoraproject)
• Enterprise Linux (Redhat)
• Openshift (Redhat)
• Openshift Container Platform (Redhat)

References

• https://access.redhat.com/security/cve/CVE-2026-90996
• https://bugzilla.redhat.com/show_bug.cgi?id=2478986