CVE-2026-68742 - Sssd: sssd: nss responder out-of-bounds read via unchecked addrlen in gethostbyaddr

CVE-2026-68742 - Sssd: sssd: nss responder out-of-bounds read via unchecked addrlen in gethostbyaddr

https://cvefeed.io/rssfeed/latest.atom / Mon, 08/03/2026 - 13:09
CVE ID :CVE-2026-68742
Published : Aug. 3, 2026, 10:16 a.m. | 37 minutes ago
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.
Severity: 5.5 | MEDIUM
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.