CVE-2026-54500: Out-of-bounds Read

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.3, Oj.load in :object mode reads uninitialized stack memory and, for long keys, reads out of bounds when parsing a JSON object whose key is 254 bytes or longer. The interned bytes can surfac...

CVE-2026-28364: Buffer Over-read

In OCaml before 4.14.3 and 5.x before 5.4.1, a buffer over-read in Marshal deserialization runtime/intern.c enables remote code execution through a multi-phase attack chain. The vulnerability stems from missing bounds validation in the readblock function, which performs unbounded memcpy operation...