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[unicode-range] Avoid integer overflow (panic in debug builds) #391

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[unicode-range] Avoid integer overflow (panic in debug builds) #391

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Commits on Jun 5, 2024

  1. [unicode-range] Avoid integer overflow (panic in debug builds) 

    If a long string of hex digits are passed to unicode-range, the code tries to
parse them into a number before checking whether there are more than the 6 digits
allowed by the syntax, and this may lead to integer overflow.

To avoid this, check the number of digits and error out earlier if there are
too many to possibly be valid.

(See https://bugzilla.mozilla.org/show_bug.cgi?id=1900403)
    @jfkthame
    jfkthame committed Jun 5, 2024
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