What is CVE-2026-54341?

CVE-2026-54341 is a high-severity vulnerability in Dragonflydb Dragonfly, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-06-26.

How severe is CVE-2026-54341?

High severity. CVSS v3 base score is 7.5 out of 10.

Out-of-bounds Read in Dragonflydb Dragonfly

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 (SIGSEG…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Dragonflydb Dragonfly — versions < 1.39.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-54341?: CVE-2026-54341 is a high-severity vulnerability in Dragonflydb Dragonfly, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-06-26.
How severe is CVE-2026-54341?: High severity. CVSS v3 base score is 7.5 out of 10.