{"id":"CVE-2026-111279","revision":"349aab8d2c3149c585c995d7c115bb49","records":[{"revision":"349aab8d2c3149c585c995d7c115bb49","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111279","aliases":[],"title":"Dragonfly through 2.0.2 Unbounded Memory Allocation via Negative COUNT in HRANDFIELD, ZRANDMEMBER and SRANDMEMBER","description":"Dragonfly through 2.0.2 contains an unbounded memory allocation vulnerability that allows unauthenticated clients to exhaust memory by passing a negative COUNT to HRANDFIELD, ZRANDMEMBER or SRANDMEMBER. Attackers can send a single command against a one-element key with a huge negative COUNT to trigger the OOM killer, terminating the instance for all clients.","state":0,"publishedAt":"2026-10-15T21:43:23.862+00:00","modifiedAt":"2026-10-16T19:43:45.103+00:00","affected":[{"ecosystem":"Vendor product","name":"dragonfly","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"dragonflydb\",\n                    \"product\": \"dragonfly\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThanOrEqual\": \"2.0.2\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/dragonflydb/dragonfly\"\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"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/dragonflydb/dragonfly/issues/8578","https://github.com/dragonflydb/dragonfly/blob/8ce4bbb106586057fbd85f71ed353c60d0d5bf87/src/server/hset_family.cc#L1436-L1483","https://github.com/dragonflydb/dragonfly/blob/8ce4bbb106586057fbd85f71ed353c60d0d5bf87/src/server/zset_family.cc#L1519-L1522","https://github.com/dragonflydb/dragonfly/blob/8ce4bbb106586057fbd85f71ed353c60d0d5bf87/src/server/set_family.cc#L957-L984","https://github.com/dragonflydb/dragonfly","https://www.vulncheck.com/advisories/dragonfly-through-2.0.2-unbounded-memory-allocation-via-negative-count-in-hrandfield-zrandmember-and-srandmember"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111279","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111279","identifiers":["CVE-2026-111279"]},"retained":false,"historicalAffected":[]}],"coverage":[]}