[ubuntu/jammy-updates] python-cryptography 3.4.8-1ubuntu2.3 (Accepted)

[Ubuntu Archive Robot]

python-cryptography (3.4.8-1ubuntu2.3) jammy-security; urgency=medium

  * SECURITY UPDATE: Subgroup Attack Due to Missing Subgroup Validation for
    SECT Curves
    - debian/patches/CVE-2026-26007-pre1.patch: check if public keys are at
      infinity earlier in src/cryptography/hazmat/backends/openssl/ec.py,
      tests/hazmat/primitives/test_ec.py.
    - debian/patches/CVE-2026-26007.patch: EC check key on cofactor > 1 in
      src/cryptography/hazmat/primitives/asymmetric/ec.py,
      src/cryptography/utils.py, tests/hazmat/primitives/test_ec.py,
      src/_cffi_src/openssl/ec.py,
      src/cryptography/hazmat/backends/openssl/ec.py.
    - CVE-2026-26007

Date: 2026-02-20 16:32:10.857713+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
Signed-By: Ubuntu Archive Robot <ubuntu-archive-robot at lists.canonical.com>
https://launchpad.net/ubuntu/+source/python-cryptography/3.4.8-1ubuntu2.3
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