3.3.2.2 — CVE-2026-26007 security backports#2
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Add EC_KEY_check_key() to CFFI bindings and call it after all three EC public key construction paths in the OpenSSL backend: - load_der_public_key / load_pem_public_key (after EVP_PKEY_get1_EC_KEY) - _ec_key_set_public_key_affine_coordinates (covers load_elliptic_curve_public_numbers) - load_elliptic_curve_public_bytes (EC_POINT_oct2point path) Without this check an attacker could supply a small-order subgroup key to leak private key bits via ECDH or forge ECDSA signatures. GHSA-r6ph-v2qm-q3c2 / CVE-2026-26007. Upstream fix: cryptography 46.0.5.
Version string: 3.3.2+security.2 (PEP 440 local identifier) Git tag: 3.3.2.2 CHANGELOG.rst updated with security release notes.
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Version string: 3.3.2+security.3 (PEP 440 local identifier) Git tag: 3.3.2.3 Security assessment entries for 7 CVEs — all not applicable or not fixable at the CFFI layer for this Python 2.7 / system OpenSSL build.
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Security backports for Python 2.7. Tags: 3.3.2.1, 3.3.2.2. Ticket: CS-2178.