CVE-2026-111279

Dragonfly through 2.0.2 Unbounded Memory Allocation via Negative COUNT in HRANDFIELD, ZRANDMEMBER and SRANDMEMBER

Published Oct 15, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Dragonfly through 2.0.2 Unbounded Memory Allocation via Negative COUNT in HRANDFIELD, ZRANDMEMBER and SRANDMEMBER
First Time appeared Dragonflydb
Dragonflydb dragonfly
Weaknesses CWE-789
CPEs cpe:2.3:a:dragonflydb:dragonfly:*:*:*:*:*:*:*:*
Vendors & Products Dragonflydb
Dragonflydb dragonfly
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 16, 2026, 7:43 PM
Reserved
Oct 15, 2026, 7:46 PM
Status
Deferred
Published
Oct 15, 2026, 10:19 PM
Modified
Oct 16, 2026, 8:17 PM