Out-of-bounds Read Affecting sssd package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.09% (1st percentile)

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  • Snyk IDSNYK-DEBIAN13-SSSD-18515581
  • published4 Aug 2026
  • disclosed3 Aug 2026

Introduced: 3 Aug 2026

CVE-2026-68742  (opens in a new tab)
CWE-125  (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. The sss_nss_protocol_parse_addr() function in the NSS responder does not validate the addrlen field against the remaining packet body size. A local attacker can exploit this via a crafted GETHOSTBYADDR request to the NSS responder socket, causing an out-of-bounds read and process crash, resulting in a denial of service.

CVSS Base Scores

version 3.1