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critical9.8

CVE-2026-39892

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.

Impact

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 45.0.0 to before 46.0.7, if a non-contiguous buffer was passed to APIs which accepted Python buffers (e.g. Hash.update()), this could lead to buffer overflows. This vulnerability is fixed in 46.0.7.

Affected packages

EcosystemPackageAffectedFixed in
pipcryptography>= 45.0.0, < 46.0.746.0.7

Affected products

VendorProductAffected versions
Cryptography.IoCryptography
from 45.0.0 before 46.0.7

Weakness classification

CWE-119CWE-131

References