{"id":"CVE-2026-111279","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-111279","summary":"Dragonfly through 2.0.2 Unbounded Memory Allocation via Negative COUNT in HRANDFIELD, ZRANDMEMBER and SRANDMEMBER","details":"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.","published":"2026-10-15T21:43:23.862Z","modified":"2026-10-16T10:46:04.962735311Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111279.json"},{"type":"PACKAGE","url":"https://github.com/dragonflydb/dragonfly"},{"type":"ARTICLE","url":"https://github.com/dragonflydb/dragonfly/blob/8ce4bbb106586057fbd85f71ed353c60d0d5bf87/src/server/hset_family.cc#L1436-L1483"},{"type":"ARTICLE","url":"https://github.com/dragonflydb/dragonfly/blob/8ce4bbb106586057fbd85f71ed353c60d0d5bf87/src/server/set_family.cc#L957-L984"},{"type":"ARTICLE","url":"https://github.com/dragonflydb/dragonfly/blob/8ce4bbb106586057fbd85f71ed353c60d0d5bf87/src/server/zset_family.cc#L1519-L1522"},{"type":"REPORT","url":"https://github.com/dragonflydb/dragonfly/issues/8578"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111279"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/dragonfly-through-2.0.2-unbounded-memory-allocation-via-negative-count-in-hrandfield-zrandmember-and-srandmember"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-16T10:46:04.962735311Z"}}