EUVD-2025-31198

Open Babel has heap buffer overflow in SMILES OBSmilesParser::ParseSmiles...

GHSA-J35X-W4GJ-PF7W Open Babel has heap buffer overflow in SMILES OBSmilesParser::ParseSmiles

Summary A memory-safety vulnerability in Open Babel's SMILES parser caused a heap buffer overflow when reading a crafted input string. Details The flaw was in OBSmilesParser::ParseSmiles. A malformed SMILES input caused the parser to write past the end of a heap-allocated buffer. Impact Open Babe...

GHSA-8J3X-M868-CPW8 Open Babel has out-of-bounds write (overlapping memcpy) in zipstream basic_unzip_streambuf::underflow

Summary A memory-safety vulnerability in Open Babel's bundled zipstream decompression code caused an out-of-bounds write via overlapping memcpy when reading a crafted gzip-compressed chemistry file. Details The flaw was in basicunzipstreambuf::underflow. The decompression buffer refill path invok...

EUVD-2025-31200

Open Babel has Use-after-free in GAMESS GAMESSOutputFormat::ReadMolecule...

GHSA-PP85-5J63-XPQ3 Open Babel has Use-after-free in GAMESS GAMESSOutputFormat::ReadMolecule

Summary A memory-safety vulnerability in Open Babel's GAMESS output parser caused a use-after-free when reading a crafted input file. Details The flaw was in GAMESSOutputFormat::ReadMolecule. A malformed input caused the parser to dereference a stale pointer after the underlying object had been...

EUVD-2026-9141

Open Babel has a NULL pointer dereference in CDXML OBAtom::GetExplicitValence...

GHSA-RXPR-WQ63-JR7P Open Babel has a NULL pointer dereference in CDXML OBAtom::GetExplicitValence

Summary A memory-safety vulnerability in Open Babel's CDXML file format parser caused a NULL pointer dereference when reading a crafted input file. Details The flaw was in OBAtom::GetExplicitValence as called from the CDXML parser. A malformed fragment caused the parser to invoke the method on a...

GHSA-4W5W-4FHM-Q483 Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge

Summary A memory-safety vulnerability in Open Babel's MOL2 file format parser caused a NULL pointer dereference when reading a crafted input file. Details The flaw was in OBAtom::SetFormalCharge as called from the MOL2 parser. A malformed atom record caused the parser to call the method on a NULL...

GHSA-6XW4-2G22-26H8 Open Babel has an out-of-bounds read in CIF transform3d::DescribeAsString

Summary A memory-safety vulnerability in Open Babel's CIF file format parser allowed an out-of-bounds read when reading a crafted input file. Details The flaw was in OpenBabel::transform3d::DescribeAsString. A malformed symmetry-operation string caused the parser to read past the end of its...

SUSE CVE-2022-43467

An out-of-bounds write vulnerability exists in the PQS format coordfile functionality 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...

SUSE CVE-2022-46280

A use of uninitialized pointer vulnerability exists in the PQS format pFormat functionality 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...

SUSE CVE-2022-46295

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...

SUSE CVE-2022-46291

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...

PT-2026-45893

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...

ROS-20260327-73-0009

Vulnerability in openbabel related to an operation exceeding buffer boundaries in memory. The vulnerability can be exploited remotely...

Linux Distros Unpatched Vulnerability : CVE-2026-3408

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was identified in Open Babel up to 3.1.1. This impacts the function OBAtom::GetExplicitValence of the file isrc/atom.cpp of the component CDXML...

SUSE CVE-2026-3408

A vulnerability was identified in Open Babel up to 3.1.1. This impacts the function OBAtom::GetExplicitValence of the file isrc/atom.cpp of the component CDXML File Handler. Such manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit is publicly available...

GHSA-FG6R-XGP8-X64R Duplicate Advisory: Open Babel has a NULL pointer dereference in CDXML OBAtom::GetExplicitValence

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-rxpr-wq63-jr7p. This link is maintained to preserve external references. Original Description A vulnerability was identified in Open Babel up to 3.1.1. This impacts the function OBAtom::GetExplicitValence of the...

CVE-2026-3408

A vulnerability was identified in Open Babel up to 3.1.1. This impacts the function OBAtom::GetExplicitValence of the file isrc/atom.cpp of the component CDXML File Handler. Such manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit is publicly available...

CVE-2026-3408

A vulnerability was identified in Open Babel up to 3.1.1. This impacts the function OBAtom::GetExplicitValence of the file isrc/atom.cpp of the component CDXML File Handler. Such manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit is publicly available...