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Document that JSON::ResumableParser does not bound its buffer size #1023

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byroot merged 1 commit into from
Jun 18, 2026
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Document that JSON::ResumableParser does not bound its buffer size #1023

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5 changes: 5 additions & 0 deletions ext/json/ext/parser/parser.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2261,6 +2261,11 @@ static inline JSON_ResumableParser *cResumableParser_get(VALUE self)
* parser << ' '
* parser.parse # => true
* parser.value # => 123
*
* === Security
*
* An incomplete document is buffered in full and there is no size limit, so when reading
* from an untrusted source the caller is responsible for bounding how much data is fed.
*/
static VALUE cResumableParser_initialize(int argc, VALUE *argv, VALUE self)
{
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