PyPI/cryptography CVE-2026-39892: medium, EPSS 0.76%

Cryptography vulnerable to buffer overflow if non-contiguous buffers were passed to APIs

Action: Upgrade cryptography to 46.0.7 or later.

pip install cryptography==46.0.7

Affected

Fixed versions

Sources

• osv: GHSA-p423-j2cm-9vmq
• https://github.com/pyca/cryptography/security/advisories/GHSA-p423-j2cm-9vmq
• https://nvd.nist.gov/vuln/detail/CVE-2026-39892
• https://github.com/pyca/cryptography
• https://github.com/pypa/advisory-database/tree/main/vulns/cryptography/PYSEC-2026-36.yaml
• http://www.openwall.com/lists/oss-security/2026/04/08/12

CVE-2026-39892 · published 2026-04-08T19:23:08Z · modified 2026-09-10T03:50:44.766981051Z · JSON