CyberSecBulletin

DragonflyDB vulnerabilities

We track 5 vulnerabilities in DragonflyDB products. 5 are rated high or critical, and none are known to be exploited. The most recent was published on October 15, 2026.

5vulnerabilities
2critical
3high
0exploited
8.6average CVSS score

Latest DragonflyDB vulnerabilities

  • 7.5 High severity

    dragonfly: Memory Allocation with Excessive Size Value

    CVE-2026-111279DragonflyDB

    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

  • 9.6 Critical severity

    dragonfly: Double Free

    CVE-2026-104192DragonflyDB

    Dragonfly is an in-memory data store built for modern application workloads. Prior to 1.40, OpaqueObjLoader::CreateStream in src/server/rdb_load.cc can associate one streamNACK with a consumer group's global PEL and a consumer-local PEL, then free the shared o

  • 8.8 High severity

    dragonfly: Integer Overflow or Wraparound

    CVE-2026-62357DragonflyDB

    Dragonfly is an in-memory data store built for modern application workloads. Prior to 1.40.0, CMS.INITBYDIM and CMS.INITBYPROB accept dimensions whose width times depth times sizeof(int64_t) overflows in src/core/cms.cc, allocating an undersized counter buffer

  • 7.5 High severity

    dragonfly: Out-of-bounds Read

    CVE-2026-54341DragonflyDB

    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 Dragonfly

  • 9.4 Critical severity

    dragonfly: Integer Overflow or Wraparound

    CVE-2025-52935DragonflyDB

    Integer Overflow or Wraparound vulnerability in dragonflydb dragonfly (src/redis/lua/struct modules). This vulnerability is associated with program files lua_struct.C. This issue affects dragonfly: 1.30.1, 1.30.0, 1.28.18.