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    CVE-2026-66858

    The protocol skip routine in several Apache Thrift bindings did not apply the binding's recursion limit, so a message that nests unknown fields deeply enough can exhaust the stack. Affected: the Python C++ accelerator (the pure-Python protocols are not affected), the PHP library and its thrift_protocol extension, and the Perl, Lua, Smalltalk and OCaml libraries. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0, which fixes the issue.

    Published:Oct 2, 2026
    Last Modified:Oct 4, 2026
    EPS:Oct 2, 2026
    EPSS Score:0.00263
    CVSS Score:7.5

    Affected Products

    Vendor
    Apache
    Product
    Thrift
    Vendor
    Redhat
    Product
    Hummingbird

    Exploits

    No exploit reference

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