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 @@ -36,6 +36,9 @@ Core and Builtins

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 __str__, __trunc__, and __float__ returning instances of subclasses of

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 str, long, and float to subclasses of str, long, and float correspondingly.

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 - Issue #26171: Fix possible integer overflow and heap corruption in

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 zipimporter.get_data().

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 Library

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 @@ -895,6 +895,11 @@ get_data(char *archive, PyObject *toc_entry)

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 PyMarshal_ReadShortFromFile(fp); /* local header size */

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 file_offset += l; /* Start of file data */

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 if (data_size > LONG_MAX - 1) {

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 fclose(fp);

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 PyErr_NoMemory();

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 return NULL;

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 }

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 raw_data = PyString_FromStringAndSize((char *)NULL, compress == 0 ?

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 data_size : data_size + 1);

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 if (raw_data == NULL) {

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