{"id":"CVE-2026-2705","aliases":["DEBIAN-CVE-2026-2705","EUVD-2026-7561","GHSA-3f56-w4g2-mx64","GHSA-4w5w-4fhm-q483","PYSEC-2026-2770","UBUNTU-CVE-2026-2705","openSUSE-SU-2026:10936-1","openSUSE-SU-2026:21190-1"],"status":"published","title":"Open Babel MOL2 File atom.h SetFormalCharge out-of-bounds","description":"A vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The patch is identified as e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. A patch should be applied to remediate this issue. The project was informed of the problem early through an issue report but has not responded yet.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00838,"percentile":0.58099,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119","CWE-125","CWE-476"],"published":"2026-02-19T05:02:07Z","modified":"2026-11-07T01:00:06Z","fixes":[{"ecosystem":"PyPI","package":"openbabel","fixed_in":["3.2.0"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:14","package":"openbabel","fixed_in":["3.2.0+dfsg-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.1+dfsg-10","3.1.1+dfsg-11","3.1.1+dfsg-12","3.1.1+dfsg-13","3.1.1+dfsg-14","3.1.1+dfsg-15~exp","3.1.1+dfsg-9","3.2.0+dfsg-1","3.2.0+dfsg-1~exp","3.2.0+dfsg-2"]},{"source":"osv","ecosystem":"Debian:13","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.1+dfsg-12","3.1.1+dfsg-13","3.1.1+dfsg-14","3.1.1+dfsg-15~exp","3.2.0+dfsg-1","3.2.0+dfsg-1~exp","3.2.0+dfsg-2"]},{"source":"osv","ecosystem":"Debian:14","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0+dfsg-1"}]}],"versions":["3.1.1+dfsg-12","3.1.1+dfsg-13","3.1.1+dfsg-14","3.1.1+dfsg-15~exp","3.2.0+dfsg-1~exp"]},{"source":"osv","ecosystem":"PyPI","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0"}]}],"versions":["1.8","1.8.1","1.8.2","1.8.3","1.8.4","2.4.0","2.4.1","3.0.0","3.0.0a1","3.1.1","3.1.1.1"]},{"source":"osv","ecosystem":"PyPI","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0"}]}],"versions":["1.8","1.8.1","1.8.2","1.8.3","1.8.4","2.4.0","2.4.1","3.0.0","3.0.0a1","3.1.1","3.1.1.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.2+dfsg-2.2","2.3.2+dfsg-2.2build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.2+dfsg-3build1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.1+dfsg-3","2.4.1+dfsg-3build1","2.4.1+dfsg-5.1","2.4.1+dfsg-6","3.0.0+dfsg-3","3.0.0+dfsg-3ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.1+dfsg-6ubuntu1","3.1.1+dfsg-6ubuntu5"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.1+dfsg-9build2","3.1.1+dfsg-9ubuntu1","3.1.1+dfsg-9ubuntu2","3.1.1+dfsg-9ubuntu4","3.1.1+dfsg-9ubuntu5"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.1+dfsg-11ubuntu3","3.1.1+dfsg-11ubuntu4"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.1+dfsg-11ubuntu5","3.1.1+dfsg-14ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.1.1+dfsg-11ubuntu4","3.1.1+dfsg-11ubuntu5"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0-1.1"}]}],"bundled":8},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"openbabel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0-bp160.1.1"}]}],"bundled":23}],"products":[{"vendor":"openbabel","product":"open_babel"}],"references":[{"url":"https://vuldb.com/?id.346651","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry","advisory","web","report"]},{"url":"https://vuldb.com/?ctiid.346651","tags":["signature","permissions-required","Permissions Required","VDB Entry","report","web"]},{"url":"https://vuldb.com/?submit.754379","tags":["third-party-advisory","Third Party Advisory","VDB Entry","advisory","web","report"]},{"url":"https://github.com/openbabel/openbabel/issues/2848","tags":["issue-tracking","Exploit","Issue Tracking","report","web"]},{"url":"https://github.com/openbabel/openbabel/pull/2862","tags":["issue-tracking","patch","fix","web"]},{"url":"https://github.com/oneafter/0128/blob/main/ob2/repro.mol2","tags":["exploit","Exploit","evidence","web","report"]},{"url":"https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a","tags":["patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2705","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3f56-w4g2-mx64"},{"url":"https://github.com/openbabel/openbabel/security/advisories/GHSA-4w5w-4fhm-q483","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4w5w-4fhm-q483","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2705.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-2705","tags":["advisory"]},{"url":"https://github.com/openbabel/openbabel","tags":["package"]},{"url":"https://pypi.org/project/openbabel","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2026-2705","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-2705","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2022-37331","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-43467","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-46280","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-46291","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-46295","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-10996","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-10999","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2705","tags":["web"]},{"url":"https://bugzilla.suse.com/1217676","tags":["report"]},{"url":"https://bugzilla.suse.com/1258501","tags":["report"]},{"url":"https://bugzilla.suse.com/1258507","tags":["report"]},{"url":"https://bugzilla.suse.com/1259041","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2022-41793","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-42885","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-43607","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-44451","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-46289","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-46290","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-46292","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-46294","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-10994","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-10995","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-10997","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-10998","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-11000","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2704","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-3408","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-2705","title":"Open Babel MOL2 File atom.h SetFormalCharge out-of-bounds","description":"A vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The patch is identified as e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. A patch should be applied to remediate this issue. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-19T05:02:07.101Z","modified":"2026-03-03T17:20:24.065Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"medium","assessor":"cna"},{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","level":"medium","assessor":"cna"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C","assessor":"cna"}],"cwes":["CWE-125","CWE-119"],"updated_at":"2026-11-02T13:48:46.911326Z"}],"euvd":[{"id":"EUVD-2026-7561","description":"A vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The patch is identified as e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. A patch should be applied to remediate this issue. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-19T05:02:07Z","modified":"2026-03-03T17:20:24Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-02T19:48:11.637968Z"}],"ghsa":[{"id":"GHSA-3f56-w4g2-mx64","title":"Duplicate Advisory: Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge","description":"## Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-4w5w-4fhm-q483. This link is maintained to preserve external references.\n\n## Original Description\nA vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"withdrawn","published":"2026-02-19T18:31:51Z","modified":"2026-06-30T18:46:55Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"},{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:40:35.701766Z"},{"id":"GHSA-4w5w-4fhm-q483","title":"Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge","description":"### Summary\n\nA memory-safety vulnerability in Open Babel's MOL2 file format parser\ncaused a NULL pointer dereference when reading a crafted input file.\n\n### Details\n\nThe flaw was in `OBAtom::SetFormalCharge` as called from the MOL2\nparser. A malformed atom record caused the parser to call the method\non a NULL atom pointer.\n\n### Impact\n\nOpen Babel is a C++ library and CLI used to read and write chemistry\nfile formats; it is shipped by Linux distributions and embedded in\nservices that may parse untrusted input. Triggering this vulnerability\nrequires the victim to open a malicious MOL2 file with the `obabel`\ntool, the `OBConversion` API, or any of the language bindings (Python,\nRuby, Java, R, Perl, C#, PHP).\n\n### Affected versions\n\nAll releases up to and including 3.1.1.\n\n### Patched version\n\n3.2.0 (released 2026-05-26).\n\n### Patch\n\nFix commit: https://github.com/openbabel/openbabel/commit/e23a224b\nTracked in #2862.\n\nA minimized reproducer for this CVE is checked in under\n`test/files/fuzz_regress/` and is exercised on every CI build under\nASAN+UBSAN by the `fuzzregresstest` harness.\n\n### Credit\n\nReported by Vedant Madane (@VedantMadane) via VulDB.","status":"published","published":"2026-06-30T18:47:00Z","modified":"2026-06-30T18:47:01Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-119","CWE-476"],"updated_at":"2026-11-02T14:40:35.701766Z"}],"nvd":[{"id":"CVE-2026-2705","description":"A vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The patch is identified as e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. A patch should be applied to remediate this issue. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-19T07:17:49.99Z","modified":"2026-06-17T10:31:34.54Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"secondary"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-02T14:12:06.274729Z"}],"osv":[{"id":"CVE-2026-2705","title":"Open Babel MOL2 File atom.h SetFormalCharge out-of-bounds","description":"A vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The patch is identified as e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. A patch should be applied to remediate this issue. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-19T05:02:07.101Z","modified":"2026-10-28T11:10:01.366956427Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-02T15:44:59.80315Z"},{"id":"DEBIAN-CVE-2026-2705","description":"A vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The patch is identified as e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. A patch should be applied to remediate this issue. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-19T07:17:49.99Z","modified":"2026-11-07T01:00:06.313753484Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"high"}],"updated_at":"2026-11-07T01:26:17.791146Z"},{"id":"GHSA-3f56-w4g2-mx64","title":"Duplicate Advisory: Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge","description":"## Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-4w5w-4fhm-q483. This link is maintained to preserve external references.\n\n## Original Description\nA vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.","status":"withdrawn","published":"2026-02-19T18:31:51Z","modified":"2026-06-30T19:00:30.969787384Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"},{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:46:35.747385Z"},{"id":"GHSA-4w5w-4fhm-q483","title":"Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge","description":"### Summary\n\nA memory-safety vulnerability in Open Babel's MOL2 file format parser\ncaused a NULL pointer dereference when reading a crafted input file.\n\n### Details\n\nThe flaw was in `OBAtom::SetFormalCharge` as called from the MOL2\nparser. A malformed atom record caused the parser to call the method\non a NULL atom pointer.\n\n### Impact\n\nOpen Babel is a C++ library and CLI used to read and write chemistry\nfile formats; it is shipped by Linux distributions and embedded in\nservices that may parse untrusted input. Triggering this vulnerability\nrequires the victim to open a malicious MOL2 file with the `obabel`\ntool, the `OBConversion` API, or any of the language bindings (Python,\nRuby, Java, R, Perl, C#, PHP).\n\n### Affected versions\n\nAll releases up to and including 3.1.1.\n\n### Patched version\n\n3.2.0 (released 2026-05-26).\n\n### Patch\n\nFix commit: https://github.com/openbabel/openbabel/commit/e23a224b\nTracked in #2862.\n\nA minimized reproducer for this CVE is checked in under\n`test/files/fuzz_regress/` and is exercised on every CI build under\nASAN+UBSAN by the `fuzzregresstest` harness.\n\n### Credit\n\nReported by Vedant Madane (@VedantMadane) via VulDB.","status":"published","published":"2026-06-30T18:47:00Z","modified":"2026-07-13T16:43:30.010308892Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-119","CWE-476"],"updated_at":"2026-11-02T15:46:37.528068Z"},{"id":"PYSEC-2026-2770","title":"Open Babel has NULL pointer dereference in MOL2 OBAtom::SetFormalCharge","description":"### Summary\n\nA memory-safety vulnerability in Open Babel's MOL2 file format parser\ncaused a NULL pointer dereference when reading a crafted input file.\n\n### Details\n\nThe flaw was in `OBAtom::SetFormalCharge` as called from the MOL2\nparser. A malformed atom record caused the parser to call the method\non a NULL atom pointer.\n\n### Impact\n\nOpen Babel is a C++ library and CLI used to read and write chemistry\nfile formats; it is shipped by Linux distributions and embedded in\nservices that may parse untrusted input. Triggering this vulnerability\nrequires the victim to open a malicious MOL2 file with the `obabel`\ntool, the `OBConversion` API, or any of the language bindings (Python,\nRuby, Java, R, Perl, C#, PHP).\n\n### Affected versions\n\nAll releases up to and including 3.1.1.\n\n### Patched version\n\n3.2.0 (released 2026-05-26).\n\n### Patch\n\nFix commit: https://github.com/openbabel/openbabel/commit/e23a224b\nTracked in #2862.\n\nA minimized reproducer for this CVE is checked in under\n`test/files/fuzz_regress/` and is exercised on every CI build under\nASAN+UBSAN by the `fuzzregresstest` harness.\n\n### Credit\n\nReported by Vedant Madane (@VedantMadane) via VulDB.","status":"published","published":"2026-07-13T15:46:25.339609Z","modified":"2026-07-13T16:32:05.74159827Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"updated_at":"2026-11-02T15:52:55.961245Z"},{"id":"UBUNTU-CVE-2026-2705","description":"A vulnerability was detected in Open Babel up to 3.1.1. The impacted element is the function OBAtom::SetFormalCharge in the library include/openbabel/atom.h of the component MOL2 File Handler. The manipulation results in out-of-bounds read. It is possible to launch the attack remotely. The exploit is now public and may be used. The patch is identified as e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. A patch should be applied to remediate this issue. The project was informed of the problem early through an issue report but has not responded yet.","status":"published","published":"2026-02-19T07:17:00Z","modified":"2026-10-17T12:58:49.48875311Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"medium"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H","level":"high"},{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"updated_at":"2026-11-02T16:56:08.726452Z"},{"id":"openSUSE-SU-2026:10936-1","title":"libopenbabel8-3.2.0-1.1 on GA media","description":"These are all security issues fixed in the libopenbabel8-3.2.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-06-02T00:00:00Z","modified":"2026-06-03T08:30:21.350593081Z","updated_at":"2026-11-02T16:58:38.95195Z"},{"id":"openSUSE-SU-2026:21190-1","title":"Security update for openbabel","description":"This update for openbabel fixes the following issues:\n\nChanges in openbabel:\n\n- Update to version 3.2.0:\n  * Add an L-BFGS optimizer, used by default for gen3d and\n    conformer searches\n  * New macrocycle ring builder (Dale codes) for better initial\n    3D geometry of large rings\n  * Add KET (Ketcher JSON) and ChemicalJSON (.cjson) format\n    support\n  * Drop Python 2 support; Python 3.13 supported\n  * Faster, vectorized distance-geometry implementation\n  * Full CMake 4 compatibility and modernized build\n  * Backwards compatible with 3.0 and 3.1\n  * Fix many crash and memory-safety bugs found via OSS-Fuzz\n    and TALOS, including the following security issues:\n    CVE-2022-37331 (boo#1217676), CVE-2022-41793, CVE-2022-42885,\n    CVE-2022-43467, CVE-2022-43607, CVE-2022-44451,\n    CVE-2022-46280, CVE-2022-46289, CVE-2022-46290,\n    CVE-2022-46291, CVE-2022-46292, CVE-2022-46294,\n    CVE-2022-46295, CVE-2025-10994, CVE-2025-10995,\n    CVE-2025-10996, CVE-2025-10997, CVE-2025-10998,\n    CVE-2025-10999, CVE-2025-11000,\n    CVE-2026-2704 (boo#1258501), CVE-2026-2705 (boo#1258507) and\n    CVE-2026-3408 (boo#1259041)\n","status":"published","published":"2026-07-01T09:21:23Z","modified":"2026-07-03T18:24:23.69365859Z","updated_at":"2026-11-02T16:58:41.885092Z"}]}}