{"id":"CVE-2026-77100","revision":"362acc8bd269473299eb501becfe26e2","records":[{"revision":"362acc8bd269473299eb501becfe26e2","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-77100","aliases":[],"title":"MediaAgent Denial of Service","description":"MediaAgent contained a heap-based buffer overflow issue affecting service availability.  Software customers upgrade to resolved maintenance release. Update Commvault installation of MediaAgents and HyperScale.","state":0,"publishedAt":"2026-10-13T14:27:01.168+00:00","modifiedAt":"2026-10-13T14:41:29.578+00:00","affected":[{"ecosystem":"Vendor product","name":"Commvault Cloud","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Commvault\",\n                    \"product\": \"Commvault Cloud\",\n                    \"platforms\": [\n                        \"Windows\",\n                        \"Linux\"\n                    ],\n                    \"defaultStatus\": \"unknown\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.46.0\",\n                            \"lessThanOrEqual\": \"11.46.29\",\n                            \"changes\": [\n                                {\n                                    \"at\": \"11.46.30\",\n                                    \"status\": \"unaffected\"\n                                }\n                            ],\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.44.0\",\n                            \"lessThanOrEqual\": \"11.44.24\",\n                            \"changes\": [\n                                {\n                                    \"at\": \"11.44.25\",\n                                    \"status\": \"unaffected\"\n                                }\n                            ],\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.40.0\",\n                            \"lessThanOrEqual\": \"11.40.77\",\n                            \"changes\": [\n                                {\n                                    \"at\": \"11.40.78\",\n                                    \"status\": \"unaffected\"\n                                }\n                            ],\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"11.36.0\",\n                            \"lessThanOrEqual\": \"11.36.126\",\n                            \"changes\": [\n                                {\n                                    \"at\": \"11.36.127\",\n                                    \"status\": \"unaffected\"\n                                }\n                            ],\n                            \"versionType\": \"custom\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"}],"references":["https://documentation.commvault.com/securityadvisories/CV_2026_10_6.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-77100","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-77100","identifiers":["CVE-2026-77100"]},"retained":false,"historicalAffected":[]}],"coverage":[]}