switch to zlib 1.2.13 #5147
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switch to zlib 1.2.13 #5147
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Fix a bug when getting a gzip header extra field with inflateGetHeader(). This remedies CVE-2022-37434. Fix a bug in block type selection when Z_FIXED used. Now the smallest block type is selected, for better compression. Fix a configure issue that discarded the provided CC definition. Correct incorrect inputs provided to the CRC functions. This mitigates a bug in Java. Repair prototypes and exporting of the new CRC functions. Fix inflateBack to detect invalid input with distances too far. Fix a deflate bug when using the Z_FIXED strategy that can result in out-of-bound accesses. Fix a deflate bug when the window is full in deflate_stored(). Speed up CRC-32 computations by a factor of 1.5 to 3. Use the hardware CRC-32 instruction on ARMv8 processors. Speed up crc32_combine() with powers of x tables. Add crc32_combine_gen() and crc32_combine_op() for fast combines.
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Merged, thanks a lot for your contribution. |
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Fix a bug when getting a gzip header extra field with inflateGetHeader(). This remedies CVE-2022-37434. Fix a bug in block type selection when Z_FIXED used. Now the smallest block type is selected, for better compression. Fix a configure issue that discarded the provided CC definition. Correct incorrect inputs provided to the CRC functions. This mitigates a bug in Java. Repair prototypes and exporting of the new CRC functions. Fix inflateBack to detect invalid input with distances too far. Fix a deflate bug when using the Z_FIXED strategy that can result in out-of-bound accesses. Fix a deflate bug when the window is full in deflate_stored(). Speed up CRC-32 computations by a factor of 1.5 to 3. Use the hardware CRC-32 instruction on ARMv8 processors. Speed up crc32_combine() with powers of x tables.
Add crc32_combine_gen() and crc32_combine_op() for fast combines.