Open Babel has out-of-bounds write in MOPAC translationVectors[] (UNIT CELL TRANSLATION)

Multiple out-of-bounds write vulnerabilities exist in the translationVectors parsing functionality in multiple supported formats of Open Babel 3.1.1 and master commit 530dbfa3. A specially-crafted malformed file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability affects the MOPAC file format, inside the Unit Cell Translation section