Vulnerabilities CVE-2026-39892

CVE-2026-39892

Medium

Open

TLP:CLEAR

cryptography has a buffer overflow if non-contiguous buffers were passed to APIs

NVD CVE.org

Ransomware

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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.

Details

CVSS Score: 6.9
EPSS Score ⓘ: 0.65%

48th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Confidence: 90%
Published: Apr 8, 2026
Last Modified: Aug 12, 2026

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