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Start learningUpgrade Oracle:8 php-soap to version 0:7.4.19-1.module+el8.5.0+20354+db97279a or higher.
This issue was patched in ELSA-2021-4213.
Note: Versions mentioned in the description apply only to the upstream php-soap package and not the php-soap package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually used. This can lead to both decreased security and incorrect encryption data.