CVE-2022-29240 Uninitialized memory read in LZ4 decompression leads to authentication bypass in Scylla

Scylla is a real-time big data database that is API-compatible with Apache Cassandra and Amazon DynamoDB. When decompressing CQL frame received from user, Scylla assumes that user-provided uncompressed length is correct. If user provides fake length, that is greater than the real one, part of...