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msgpack-c

1 known vulnerabilities.

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  • Medium 5.3
    CVE-2026-72854

    msgpack-c Integer Overflow in msgpack_unpacker_expand_buffer Causes a False-Success Undersized Reservation

    msgpack_unpacker_expand_buffer in src/unpack.c, reached through the public msgpack_unpacker_reserve_buffer API, computes its new buffer size using an unchecked size_t addition of the requested size and the amount already used. The doubling loop guards its own…

    msgpack msgpack-c msgpack-c msgpack-c Debian Ubuntu