Advisory Weakness Curation

Symfony Cryptographic Vulnerability The nextBytes function in the SecureRandom class in Symfony before 2.3.37, 2.6.x before 2.6.13, and 2.7.x before 2.7.9 does not properly generate random numbers when used with PHP 5.x without the paragonie/random_compat library and the openssl_random_pseudo_bytes function fails, which makes it easier for attackers to defeat cryptographic protection mechanisms via unspecified vectors.

Cryptographic Issues The nextBytes function in the `SecureRandom` class does not properly generate random numbers when used with PHP without the `paragonie/random_compat` library and the `openssl_random_pseudo_bytes` function fails, which makes it easier for attackers to defeat cryptographic protection mechanisms via unspecified vectors.

Cryptographic Issues The `nextBytes` function in the `SecureRandom` class in Symfony does not properly generate random numbers when used with PHP without the `paragonie/random_compat` library and the `openssl_random_pseudo_bytes` function fails, which makes it easier for attackers to defeat cryptographic protection mechanisms via unspecified vectors.

Cryptographic Issues The `nextBytes` function in the `SecureRandom` class does not properly generate random numbers when used with PHP without the `paragonie/random_compat` library and the openssl_random_pseudo_bytes function fails, which makes it easier for attackers to defeat cryptographic protection mechanisms via unspecified vectors.