Product by Msgpack

    msgpack MessagePack (msgpack-ruby)

    3 known vulnerabilities in msgpack MessagePack (msgpack-ruby) (Msgpack), 0 of them actively exploited (CISA KEV).

    Key figures

    3

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    0

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in msgpack MessagePack (msgpack-ruby) (Msgpack)
    HighCVE-2026-57585

    MessagePack: Out-of-bounds read/crash on Unpacker reuse after caught error

    		7.5
    HighCVE-2026-21452

    Msgpack-java: Memory Allocation with Excessive Size Value

    also in 1 other product

    		7.5
    MediumCVE-2026-54522

    MessagePack::Buffer#clear Use-After-Free that Enables Cross-Buffer Disclosure

    		5.4

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