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 S…
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.
Why it matters
- ▸ Requires local access, limiting mass exploitation
- ▸ Low attack complexity — no special conditions needed to exploit
- ▸ No authentication required
- ▸ No user interaction needed — can be exploited automatically
Apply the vendor patch as soon as it's available or already released.
This analysis is generated from structured CVSS vector data, CISA KEV cross-referencing, and vendor/product category rules — not a manual expert review. Treat it as a starting point, not a substitute for your own assessment.
CVSS Vector Breakdown
EU Vulnerability Database (ENISA)
EUVD is ENISA's EU vulnerability database, still in beta. EPSS is a probabilistic exploitation-likelihood score, not a certainty.
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