OSV-2026-803 Container-overflow in OpenBabel::MDLFormat::ReadV3000Block

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=515663946 Crash type: Container-overflow READ 1 Crash state: OpenBabel::MDLFormat::ReadV3000Block OpenBabel::MDLFormat::ReadMolecule OpenBabel::OBConversion::Read...