CVE-2026-90996

medium

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.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-77590

https://bugzilla.redhat.com/show_bug.cgi?id=2478986

https://access.redhat.com/security/cve/CVE-2026-90996

Details

Source: Mitre, NVD

Published: 2026-09-14

Updated: 2026-10-07

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00128