fix: use incremental hashing in CatalogDescriptor.get_hash() - #3907
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Quratulain-bilal wants to merge 1 commit into
Open
fix: use incremental hashing in CatalogDescriptor.get_hash()#3907Quratulain-bilal wants to merge 1 commit into
Quratulain-bilal wants to merge 1 commit into
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… loading entire file into memory CatalogDescriptor.get_hash() called fh.read() which loads the entire file into memory before hashing. Use incremental hashlib.sha256().update() with 64 KiB chunks to prevent unbounded memory allocation on large catalog descriptor files.
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Problem
CatalogDescriptor.get_hash()calledfh.read()which loads the entire file into memory before hashing. A large or maliciously sized catalog descriptor file could cause unbounded memory allocation.Fix
Use incremental
hashlib.sha256().update()with 64 KiB chunks.Testing