[SECURITY] Fedora 45 Update: openbabel-3.2.0-7.fc45

Open Babel is a free, open-source version of the Babel chemistry file translation program. Open Babel is a project designed to pick up where Babel left off, as a cross-platform program and library designed to interconvert between many file formats used in molecular modeling, computational...

openbabel:fuzz_convert: Stack-buffer-overflow in OpenBabel::MCDLFormat::getMCDL

Project: https://github.com/openbabel/openbabel.git Detailed Report: https://oss-fuzz.com/testcase?key=6399125835546624 Project: openbabel Fuzzing Engine: libFuzzer Fuzz Target: fuzzconvert Job Type: libfuzzerasanopenbabel Platform Id: linux Crash Type: Stack-buffer-overflow WRITE 4 Crash Address...

ANT-2026-YQ12XT7Y · openbabel · Heap-buffer-overflow

heap-buffer-overflow high Severity Claude critical · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-YQ12XT7Y: Heap-buffer-overflow in openbabel...

openbabel:fuzz_convert: Heap-buffer-overflow in OpenBabel::TSimpleMolecule::redraw

Project: https://github.com/openbabel/openbabel.git Detailed Report: https://oss-fuzz.com/testcase?key=5121501851090944 Project: openbabel Fuzzing Engine: libFuzzer Fuzz Target: fuzzconvert Job Type: libfuzzerasanopenbabel Platform Id: linux Crash Type: Heap-buffer-overflow READ 4 Crash Address:...

PYSEC-2026-2786 Open Babel has out-of-bounds write in MOPAC IN translationVectors[] (Tv atom)

Summary A memory-safety vulnerability in Open Babel's MOPAC input parser allowed an out-of-bounds write into the translationVectors array when reading Tv translation-vector atoms from a crafted input file. Details The MOPAC IN reader stored Tv-atom translation vectors into a fixed-size...

PYSEC-2026-2784 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...

PYSEC-2026-2792 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...

PT-2026-59418

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 coord file parsing path of the PQS reader. A malformed coord file specifier caused the parser to write past the end of its destination...

PT-2026-59417

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...

openSUSE 16: libopenbabel8 / openbabel / openbabel-devel / openbabel-gui / etc (openSUSE-SU-2026:21190-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21190-1 advisory. Changes in openbabel: - Update to version 3.2.0: Add an L-BFGS optimizer, used by default for gen3d and conformer searches New macrocycle ring...

Security update for openbabel (critical)

openSUSE security update: security update for openbabel ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21190-1 Rating: critical References: bsc1217676 bsc1258501 bsc1258507 bsc1259041 Cross-References: CVE-2022-37331 CVE-2022-41793 CVE-2022-42885...

GHSA-P594-7XW4-G76P Open Babel has out-of-bounds write in CSR PadString (title field)

Summary A memory-safety vulnerability in Open Babel's CSR parser allowed an out-of-bounds write when reading a crafted input file. Details The flaw was in the PadString helper used to handle the CSR title field. A title longer than the fixed destination buffer caused the parser to write past the...

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

Summary A memory-safety vulnerability in Open Babel's PQS parser caused an out-of-bounds pre-buffer read when reading a crafted input file. Details The flaw was in the lowerit helper used by the PQS parser. A malformed input caused the helper to read one or more bytes before the start of its inpu...

GHSA-M982-7Q3H-R784 Open Babel has out-of-bounds read in PQS lowerit (pre-buffer read)

Summary A memory-safety vulnerability in Open Babel's PQS parser caused an out-of-bounds pre-buffer read when reading a crafted input file. Details The flaw was in the lowerit helper used by the PQS parser. A malformed input caused the helper to read one or more bytes before the start of its inpu...

OPENSUSE-SU-2026:21190-1 Security update for openbabel

This update for openbabel fixes the following issues: Changes in openbabel: - Update to version 3.2.0: Add an L-BFGS optimizer, used by default for gen3d and conformer searches New macrocycle ring builder Dale codes for better initial 3D geometry of large rings Add KET Ketcher JSON and ChemicalJS...

PT-2026-55098

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...

PT-2026-55112

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-2025-31199

Open Babel has out-of-bounds write overlapping memcpy in zipstream basicunzipstreambuf::underflow...

Security update for openbabel (moderate)

openSUSE Security Update: Security update for openbabel Announcement ID: openSUSE-SU-2026:0220-1 Rating: moderate References: 1258501 Cross-References: CVE-2026-2704 Affected Products: openSUSE Backports SLE-15-SP7 An update that fixes one vulnerability is now available. Description: This update...

openbabel:fuzz_convert: Heap-buffer-overflow in OpenBabel::OBAtom::SetVector

Project: https://github.com/openbabel/openbabel.git Detailed Report: https://oss-fuzz.com/testcase?key=5087365541724160 Project: openbabel Fuzzing Engine: libFuzzer Fuzz Target: fuzzconvert Job Type: libfuzzerasanopenbabel Platform Id: linux Crash Type: Heap-buffer-overflow READ 8 Crash Address:...