PYSEC-2026-1284 Vulnerable OpenSSL included in cryptography wheels

pyca/cryptography's wheels include a statically linked copy of OpenSSL. The versions of OpenSSL included in cryptography 42.0.0-44.0.0 are vulnerable to a security issue. More details about the vulnerability itself can be found in https://openssl-library.org/news/secadv/20250211.txt. If you are...

python-cryptography: Large inputs for symmetric encryption can trigger integer overflow leading to buffer overflow

A buffer-overflow flaw was found in the python-cryptography package. In certain sequences of update calls when symmetrically encrypting very large payloads 2GB could result in an integer overflow, leading to buffer overflows. Note: This fix is a workaround for the OpenSSL CVE-2021-23840 flaw...