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CVE-2026-39892

Medium

Elevated severity or exploit probability.

CVSS base
9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.8%
53.3th percentile
CISA KEV
Not listed
Weakness / dates
CWE-131
Published 2026-04-08 · modified 2026-09-10

Description

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

cryptography.io

References

Official: NVD · CVE.org