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{
"id" : "CVE-2023-23931" ,
"sourceIdentifier" : "security-advisories@github.com" ,
"published" : "2023-02-07T21:15:09.850" ,
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"lastModified" : "2024-11-21T07:47:07.570" ,
"vulnStatus" : "Modified" ,
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"value" : "cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. In affected versions `Cipher.update_into` would accept Python objects which implement the buffer protocol, but provide only immutable buffers. This would allow immutable objects (such as `bytes`) to be mutated, thus violating fundamental rules of Python and resulting in corrupted output. This now correctly raises an exception. This issue has been present since `update_into` was originally introduced in cryptography 1.8."
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