CVE-2026-39892

Public on 2026-04-08

Modified on 2026-04-10

Description

Buffer overflow in Python cryptography package versions 45.0.0 to before 46.0.7 when a non-contiguous buffer is passed to APIs which accept Python buffers (e.g. Hash.update()).

Severity

Important

See what this means

CVSS v3 Base Score

7.5

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory	Status
Amazon Linux 2 - Core	python-cryptography			Not Affected
Amazon Linux 2023	python-cryptography			Not Affected

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-39892 Mitre: CVE-2026-39892