[ubuntu/questing-security] python-cryptography 43.0.0-1ubuntu1.1 (Accepted)

[Marc Deslauriers]

python-cryptography (43.0.0-1ubuntu1.1) questing-security; urgency=medium

  * SECURITY UPDATE: Subgroup Attack Due to Missing Subgroup Validation for
    SECT Curves
    - debian/patches/CVE-2026-26007.patch: EC check key on cofactor > 1 in
      src/cryptography/hazmat/primitives/asymmetric/ec.py,
      src/cryptography/utils.py, src/rust/src/backend/ec.rs,
      tests/hazmat/primitives/test_ec.py.
    - CVE-2026-26007

Date: 2026-02-20 15:03:44.596913+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/python-cryptography/43.0.0-1ubuntu1.1
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