CVE-2026-44162

fluent-plugin-s3 is an Amazon S3 input and output plugin for Fluentd. From 0.7.0 to 1.8.4, the ins3 input plugin reads the entire decompressed payload of gzip, lzma2, and lzop objects into memory without enforcing a decompressionsizelimit. An attacker with permission to upload objects to the...

fluent-plugin-s3 Vulnerable to Denial of Service (DoS) via Decompression Bomb in `in_s3`

The fluent-plugin-s3 plugin specifically the ins3 input plugin supports reading and decompressing heavily compressed files such as gzip, lzma2, and lzop from Amazon S3. It was discovered that the plugin read the entire decompressed payload into memory at once without enforcing a strict size limit...