{"id":"CVE-2026-7827","revision":"a192aac53fcd480b936c5d0f59f85e73","records":[{"revision":"a192aac53fcd480b936c5d0f59f85e73","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-7827","aliases":[],"title":"Stack-based buffer overflow in FalkorDB _RdbLoadEntity via unbounded property count in crafted RDB","description":"A stack-based buffer overflow in the _RdbLoadEntity function of the RDB graph decoders (src/serializers/decoders/*/decode_graph_entities.c) in FalkorDB before 4.18.4 allows a remote attacker who can issue Redis replication commands (for example, against an instance with no password configured) to cause a denial of service and possibly execute arbitrary code by supplying a crafted RDB stream with an attacker-controlled entity property count. The count sizes two variable-length arrays on the thread stack with no upper bound, and the decoder then fills them with attacker-supplied values.","state":0,"publishedAt":"2026-10-09T04:04:29.094+00:00","modifiedAt":"2026-10-09T16:47:46.031+00:00","affected":[{"ecosystem":"https://github.com/FalkorDB/FalkorDB","name":"FalkorDB","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"FalkorDB\",\n                    \"product\": \"FalkorDB\",\n                    \"collectionURL\": \"https://github.com/FalkorDB/FalkorDB\",\n                    \"repo\": \"https://github.com/FalkorDB/FalkorDB\",\n                    \"modules\": [\n                        \"RDB serializer / graph decoder\"\n                    ],\n                    \"programFiles\": [\n                        \"src/serializers/decoders/current/v19/decode_graph_entities.c\",\n                        \"src/serializers/decoders/prev/v18/decode_graph_entities.c\",\n                        \"src/serializers/decoders/prev/v17/decode_graph_entities.c\",\n                        \"src/serializers/decoders/prev/v16/decode_graph_entities.c\",\n                        \"src/serializers/decoders/prev/v15/decode_graph_entities.c\",\n                        \"src/serializers/decoders/prev/v14/decode_graph_entities.c\",\n                        \"src/serializers/decoders/prev/v13/decode_graph_entities.c\",\n                        \"src/serializers/decoders/prev/v12/decode_graph_entities.c\",\n                        \"src/serializers/decoders/prev/v11/decode_graph_entities.c\",\n                        \"src/serializers/decoders/prev/v10/decode_graph_entities.c\"\n                    ],\n                    \"programRoutines\": [\n                        {\n                            \"name\": \"_RdbLoadEntity\"\n                        }\n                    ],\n                    \"cpes\": [\n                        \"cpe:2.3:a:falkordb:falkordb:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.18.4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.2,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1,"severity":"HIGH"}],"references":["https://github.com/FalkorDB/FalkorDB/pull/1973","https://github.com/FalkorDB/FalkorDB/commit/7d15431aadf37588fadc2578b90c3afb5e8daa94","https://github.com/FalkorDB/FalkorDB/releases/tag/v4.18.4"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-7827","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-7827","identifiers":["CVE-2026-7827"]},"retained":false,"historicalAffected":[]}],"coverage":[]}