CVE-2026-111279
HIGH
CVSS 7.5
Published: 2026-10-15
Modified: 2026-10-16
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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.
Quick Facts
| CVE ID | CVE-2026-111279 |
| CVSS Score | 7.5 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Published | 2026-10-15 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/dragonflydb/dragonfly
- https://github.com/dragonflydb/dragonfly/blob/8ce4bbb1065860…
- https://github.com/dragonflydb/dragonfly/blob/8ce4bbb1065860…
- https://github.com/dragonflydb/dragonfly/blob/8ce4bbb1065860…
- https://github.com/dragonflydb/dragonfly/issues/8578
- https://www.vulncheck.com/advisories/dragonfly-through-2.0.2…
- https://github.com/dragonflydb/dragonfly/issues/8578