Is CVE-2026-68742 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-68742?

CVE-2026-68742 has a CVSS v3 severity of MEDIUM (5.5).

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CVE-2026-68742

Description

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.