PYSEC-2026-2780 Open Babel has out-of-bounds write in MSI translationVectors[]

Summary A memory-safety vulnerability in Open Babel's MSI parser allowed an out-of-bounds write into the translationVectors array when reading a crafted input file. Details The MSI reader stored cell translation vectors into a fixed-size translationVectors array. A malformed input could push more...

Open Babel has uninitialized pointer dereference in MSI atom parser

SummaryA memory-safety vulnerability in Open Babel's MSI parser caused anuninitialized pointer dereference when reading a crafted input file. DetailsThe flaw was in the atom handling of the MSI reader. A malformedrecord caused the parser to dereference an atom pointer that hadnever been...

PT-2026-59423

Summary A memory-safety vulnerability in Open Babel's MSI parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the atom handling of the MSI reader. A malformed record caused the parser to dereference an atom pointer that had never been...

GHSA-F8H2-C479-VQXF Open Babel has out-of-bounds write in MSI translationVectors[]

Summary A memory-safety vulnerability in Open Babel's MSI parser allowed an out-of-bounds write into the translationVectors array when reading a crafted input file. Details The MSI reader stored cell translation vectors into a fixed-size translationVectors array. A malformed input could push more...

Open Babel has uninitialized pointer dereference in MSI atom parser

Summary A memory-safety vulnerability in Open Babel's MSI parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the atom handling of the MSI reader. A malformed record caused the parser to dereference an atom pointer that had never been...

PT-2026-55121

Summary A memory-safety vulnerability in Open Babel's MSI parser allowed an out-of-bounds write into the translationVectors array when reading a crafted input file. Details The MSI reader stored cell translation vectors into a fixed-size translationVectors array. A malformed input could push more...

PT-2026-55138

Summary A memory-safety vulnerability in Open Babel's MSI parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the atom handling of the MSI reader. A malformed record caused the parser to dereference an atom pointer that had never been...