Update dependency cryptography to v46.0.7 [SECURITY]

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
cryptography (changelog)	46.0.6 → 46.0.7

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

CVE-2026-39892 / GHSA-p423-j2cm-9vmq

More information

Details

If a non-contiguous buffer was passed to APIs which accepted Python buffers (e.g. Hash.update()), this could lead to buffer overflows. For example:

h = Hash(SHA256())
b.update(buf[::-1])

would read past the end of the buffer on Python >3.11

Severity

• CVSS Score: 6.9 / 10 (Medium)
• Vector String: 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

References

• https://github.com/pyca/cryptography/security/advisories/GHSA-p423-j2cm-9vmq
• https://nvd.nist.gov/vuln/detail/CVE-2026-39892
• http://www.openwall.com/lists/oss-security/2026/04/08/12
• https://github.com/advisories/GHSA-p423-j2cm-9vmq

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

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Release Notes

pyca/cryptography (cryptography)

v46.0.7

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