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Wrap calls to openssl_pkey_free in version checks, fixes #2178

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Marcus Bointon 2020-10-22 08:26:02 +02:00
parent 5ba587f4ac
commit cde7d82391
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1 changed files with 6 additions and 2 deletions
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8
src/PHPMailer.php
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@ -4526,11 +4526,15 @@ class PHPMailer
$privKey = openssl_pkey_get_private($privKeyStr);
}
if (openssl_sign($signHeader, $signature, $privKey, 'sha256WithRSAEncryption')) {
openssl_pkey_free($privKey);
if (PHP_MAJOR_VERSION < 8) {
openssl_pkey_free($privKey);
}
return base64_encode($signature);
}
openssl_pkey_free($privKey);
if (PHP_MAJOR_VERSION < 8) {
openssl_pkey_free($privKey);
}
return '';
}