Multiple vulnerabilities have been identified in Citrix XenServer, affecting versions 8.4 and 9 without the latest security update. These flaws could allow attackers to execute arbitrary code remotely, cause denial-of-service conditions, and potentially trigger an unspecified security issue. The vulnerabilities are detailed in Citrix’s security bulletin CTX696836, released on July 28, 2026. Affected systems are urged to apply the recommended security patches. Specific CVE identifiers include CVE-2026-42492, CVE-2026-62428, CVE-2026-62431, CVE-2026-62432, CVE-2026-62434, CVE-2026-62435, and CVE-2026-62436. Users are directed to the provided links for further details on the security updates.
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