GHSA-8QXC-57HF-HC9J Open Babel has uninitialized pointer dereference in PQS pFormat

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

EUVD-2022-47394

Open Babel has uninitialized pointer dereference in MSI atom parser...

GHSA-JR2X-6QF6-Q5MC 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...

GHSA-VJG6-GM8M-V5G6 Open Babel has out-of-bounds write in MOL2 attribute/value parser

Summary A memory-safety vulnerability in Open Babel's MOL2 parser allowed an out-of-bounds write when reading a crafted input file. Details The flaw was in the attribute/value parsing path of the MOL2 reader. An over-long attribute or value caused the parser to write past the end of a fixed-size...

EUVD-2022-46603

Open Babel has out-of-bounds write in MOL2 attribute/value parser...

EUVD-2022-46468

Open Babel has out-of-bounds write in PQS coordfile parser...

GHSA-F29H-2H58-48R7 Open Babel has out-of-bounds write in PQS coord_file parser

Summary A memory-safety vulnerability in Open Babel's PQS parser allowed an out-of-bounds write when reading a crafted input file. Details The flaw was in the coordfile parsing path of the PQS reader. A malformed coord file specifier caused the parser to write past the end of its destination...

EUVD-2022-45947

Open Babel has uninitialized pointer dereference in GRO residue parser...

GHSA-MW5R-WQ2M-397C Open Babel has uninitialized pointer dereference in GRO residue parser

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

EUVD-2022-44961

Open Babel has out-of-bounds write in CSR PadString title field...

GHSA-VR3P-GG26-45V9 Open Babel has out-of-bounds write in Gaussian coords_type orientation parser

Summary A memory-safety vulnerability in Open Babel's Gaussian output parser allowed an out-of-bounds write when reading a crafted input file. Details The flaw was in the coordstype orientation parser inside the Gaussian output reader. A malformed orientation block caused the parser to write past...

EUVD-2022-39966

Open Babel has out-of-bounds write in Gaussian coordstype orientation parser...

EUVD-2025-31206

Open Babel has out-of-bounds read in PQS lowerit pre-buffer read...

EUVD-2025-31187

Open Babel has NULL pointer dereference in CACAO CacaoFormat::SetHilderbrandt...

GHSA-55J6-RJHX-HWFH Open Babel has NULL pointer dereference in CACAO CacaoFormat::SetHilderbrandt

Summary A memory-safety vulnerability in Open Babel's CACAO parser caused a NULL pointer dereference when reading a crafted input file. Details The flaw was in CacaoFormat::SetHilderbrandt. A malformed input caused the parser to dereference a NULL pointer while applying the Hilderbrandt...

EUVD-2025-31188

Open Babel has NULL pointer dereference in ChemKinFormat::ReadReactionQualifierLines...

GHSA-J9PP-7WFG-Q7FJ Open Babel has NULL pointer dereference in ChemKinFormat::ReadReactionQualifierLines

Summary A memory-safety vulnerability in Open Babel's ChemKin parser caused a NULL pointer dereference when reading a crafted input file. Details The flaw was in ChemKinFormat::ReadReactionQualifierLines. A malformed reaction qualifier record caused the parser to dereference a NULL pointer. Impac...

GHSA-8WQ6-QH76-WPV9 Open Babel has heap buffer overflow in ChemKin ChemKinFormat::CheckSpecies

Summary A memory-safety vulnerability in Open Babel's ChemKin parser caused a heap buffer overflow when reading a crafted input file. Details The flaw was in ChemKinFormat::CheckSpecies. A malformed species record caused the parser to write past the end of a heap-allocated buffer. Impact Open Bab...

EUVD-2025-31197

Open Babel has heap buffer overflow in ChemKin ChemKinFormat::CheckSpecies...

PT-2026-55158

Summary A memory-safety vulnerability in Open Babel's ORCA parser allowed an out-of-bounds write when reading a crafted input file. Details The flaw was in the nAtoms handling of the ORCA reader. A malformed input caused the parser to write past the end of its destination buffer. Impact Open Babe...