Integer Underflow Affecting sssd package, versions *


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.11% (2nd percentile)

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  • Snyk IDSNYK-DEBIAN13-SSSD-19786924
  • published15 Sept 2026
  • disclosed14 Sept 2026

Introduced: 14 Sep 2026

NewCVE-2026-90996  (opens in a new tab)
CWE-191  (opens in a new tab)

How to fix?

There is no fixed version for Debian:13 sssd.

NVD Description

Note: Versions mentioned in the description apply only to the upstream sssd package and not the sssd package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1