CVE-2026-54341

Dragonfly is an in-memory data store built for modern application workloads. Prior to 1.39.0, a crafted RESTORE payload triggers an out-of-bounds read in DragonflyDB's listpack collection loaders, crashing the entire server process (SIGSEGV). Because DragonflyDB requires no authentication by default and RESTORE is a normal keyspace command, an unauthenticated remote attacker can crash the server with a single ~24-byte command — a remote, repeatable denial of service. This vulnerability is fixed in 1.39.0.

• CWE-125

• https://github.com/dragonflydb/dragonfly/pull/7502
• https://github.com/dragonflydb/dragonfly/security/advisories/GHSA-cwjr-j869-h8q9
• https://github.com/dragonflydb/dragonfly/security/advisories/GHSA-cwjr-j869-h8q9

Published

Jun 26, 2026

Last Modified

Jun 26, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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