b4r
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  • heap out-of-bounds read in pale moon cpal parser

    a missing bound check in pale moon CPAL validation lets a web font read past its heap allocation and leak the bytes through canvas pixels

    b b4r
    September 30, 2026
    17 min read
    palemoon browser research
  • tor browser safer leaks wasm into file:// workers

    auditing tor browser 15 safer for wasm leftovers: a local file:// worker keeps WebAssembly.compile while https workers do not

    b b4r
    September 29, 2026
    6 min read
    tor wasm research
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