{"id":"CVE-2026-2704","aliases":["DEBIAN-CVE-2026-2704","EUVD-2026-7428","GHSA-2m54-8m6g-qf93","GHSA-6xw4-2g22-26h8","PYSEC-2026-2774","UBUNTU-CVE-2026-2704","openSUSE-SU-2026:11096-1","openSUSE-SU-2026:21190-1"],"status":"published","title":"Open Babel CIF File transform3d.cpp DescribeAsString out-of-bounds","description":"A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.2.0 is sufficient to fix this issue. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue.","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":"2026-11-09","score":0.00884,"percentile":0.59482,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119","CWE-125"],"published":"2026-02-19T04:32:07Z","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":"3.2.0-2.1"}]}],"bundled":2},{"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/vuln/346650","tags":["vdb-entry","technical-description","advisory","web"]},{"url":"https://vuldb.com/vuln/346650/cti","tags":["signature","permissions-required","report","web"]},{"url":"https://vuldb.com/submit/754378","tags":["third-party-advisory","advisory","web"]},{"url":"https://github.com/openbabel/openbabel/issues/2848","tags":["issue-tracking","Exploit","Third Party Advisory","report","web"]},{"url":"https://github.com/openbabel/openbabel/pull/2862","tags":["issue-tracking","patch","fix","web"]},{"url":"https://github.com/oneafter/0128/blob/main/ob1/repro.cif","tags":["exploit","Exploit","evidence","web","report"]},{"url":"https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a","tags":["patch","fix","web"]},{"url":"https://github.com/openbabel/openbabel/releases/tag/openbabel-3-2-0","tags":["patch","fix","web"]},{"url":"https://github.com/openbabel/openbabel/security/advisories/GHSA-6xw4-2g22-26h8","tags":["related","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2704","tags":["advisory"]},{"url":"https://vuldb.com/?ctiid.346650","tags":["web","report"]},{"url":"https://vuldb.com/?id.346650","tags":["web","report"]},{"url":"https://vuldb.com/?submit.754378","tags":["web","report"]},{"url":"https://github.com/advisories/GHSA-2m54-8m6g-qf93"},{"url":"https://github.com/advisories/GHSA-6xw4-2g22-26h8","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2704.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-2704","tags":["advisory"]},{"url":"https://github.com/openbabel/openbabel","tags":["package"]},{"url":"https://pypi.org/project/openbabel","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2026-2704","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-2704","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2704","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-3408","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-2022-37331","tags":["web"]},{"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-2022-43467","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-2022-46280","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-2022-46291","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-2022-46295","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-2025-10996","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-2025-10999","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-11000","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-2705","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-2704","title":"Open Babel CIF File transform3d.cpp DescribeAsString out-of-bounds","description":"A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.2.0 is sufficient to fix this issue. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue.","status":"published","published":"2026-02-19T04:32:07.297Z","modified":"2026-05-28T17:52:14.78Z","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-2026-7428","description":"A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.2.0 is sufficient to fix this issue. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue.","status":"published","published":"2026-02-19T04:32:07Z","modified":"2026-05-28T17:52:14Z","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":"2026-11-02T18:21:02.186346Z"}],"ghsa":[{"id":"GHSA-2m54-8m6g-qf93","title":"Duplicate Advisory: Open Babel has an out-of-bounds read in CIF transform3d::DescribeAsString","description":"## Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-6xw4-2g22-26h8. This link is maintained to preserve external references.\n\n## Original Description\nA security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly 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":"2026-06-30T18:46:04Z","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-6xw4-2g22-26h8","title":"Open Babel has an out-of-bounds read in CIF transform3d::DescribeAsString","description":"\u003e ### Summary\n\u003e\n\u003e A memory-safety vulnerability in Open Babel's CIF file format parser\n\u003e allowed an out-of-bounds read when reading a crafted input file.\n\u003e\n\u003e ### Details\n\u003e\n\u003e The flaw was in `OpenBabel::transform3d::DescribeAsString`. A malformed\n\u003e symmetry-operation string caused the parser to read past the end of its\n\u003e internal buffer while formatting the description.\n\u003e\n\u003e ### Impact\n\u003e\n\u003e Open Babel is a C++ library and CLI used to read and write chemistry\n\u003e file formats; it is shipped by Linux distributions and embedded in\n\u003e services that may parse untrusted input. Triggering this vulnerability\n\u003e requires the victim to open a malicious CIF file with the `obabel`\n\u003e tool, the OBConversion API, or any of the language bindings.\n\u003e\n\u003e ### Affected versions\n\u003e\n\u003e All releases up to and including 3.1.1.\n\u003e\n\u003e ### Patched version\n\u003e\n\u003e 3.2.0 (released 2026-05-26).\n\u003e\n\u003e ### Patch\n\u003e\n\u003e Fix commit: https://github.com/openbabel/openbabel/commit/e23a224b\n\u003e Tracked in #2862.\n\u003e\n\u003e A minimized reproducer for this CVE is checked in at\n\u003e `test/files/fuzz_regress/cve-2026-2704.cif` and is exercised on every\n\u003e CI build under ASAN+UBSAN by the `fuzzregresstest` harness.\n\u003e\n\u003e ### Credit\n\u003e\n\u003e Reported by Vedant Madane (@VedantMadane).","status":"published","published":"2026-06-30T18:46:12Z","modified":"2026-06-30T18:46:13Z","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":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-02T14:40:35.701766Z"}],"nvd":[{"id":"CVE-2026-2704","description":"A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.2.0 is sufficient to fix this issue. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue.","status":"published","published":"2026-02-19T07:17:49.72Z","modified":"2026-06-17T10:31:34.39Z","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-2026-2704","title":"Open Babel CIF File transform3d.cpp DescribeAsString out-of-bounds","description":"A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.2.0 is sufficient to fix this issue. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue.","status":"published","published":"2026-02-19T04:32:07.297Z","modified":"2026-10-28T11:09:59.812546334Z","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-2026-2704","description":"A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.2.0 is sufficient to fix this issue. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue.","status":"published","published":"2026-02-19T07:17:49.72Z","modified":"2026-11-07T01:00:06.300719022Z","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-2m54-8m6g-qf93","title":"Duplicate Advisory: Open Babel has an out-of-bounds read in CIF transform3d::DescribeAsString","description":"## Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-6xw4-2g22-26h8. This link is maintained to preserve external references.\n\n## Original Description\nA security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly 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":"2026-06-30T19:00:30.973561392Z","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":"2026-11-02T15:46:34.338541Z"},{"id":"GHSA-6xw4-2g22-26h8","title":"Open Babel has an out-of-bounds read in CIF transform3d::DescribeAsString","description":"\u003e ### Summary\n\u003e\n\u003e A memory-safety vulnerability in Open Babel's CIF file format parser\n\u003e allowed an out-of-bounds read when reading a crafted input file.\n\u003e\n\u003e ### Details\n\u003e\n\u003e The flaw was in `OpenBabel::transform3d::DescribeAsString`. A malformed\n\u003e symmetry-operation string caused the parser to read past the end of its\n\u003e internal buffer while formatting the description.\n\u003e\n\u003e ### Impact\n\u003e\n\u003e Open Babel is a C++ library and CLI used to read and write chemistry\n\u003e file formats; it is shipped by Linux distributions and embedded in\n\u003e services that may parse untrusted input. Triggering this vulnerability\n\u003e requires the victim to open a malicious CIF file with the `obabel`\n\u003e tool, the OBConversion API, or any of the language bindings.\n\u003e\n\u003e ### Affected versions\n\u003e\n\u003e All releases up to and including 3.1.1.\n\u003e\n\u003e ### Patched version\n\u003e\n\u003e 3.2.0 (released 2026-05-26).\n\u003e\n\u003e ### Patch\n\u003e\n\u003e Fix commit: https://github.com/openbabel/openbabel/commit/e23a224b\n\u003e Tracked in #2862.\n\u003e\n\u003e A minimized reproducer for this CVE is checked in at\n\u003e `test/files/fuzz_regress/cve-2026-2704.cif` and is exercised on every\n\u003e CI build under ASAN+UBSAN by the `fuzzregresstest` harness.\n\u003e\n\u003e ### Credit\n\u003e\n\u003e Reported by Vedant Madane (@VedantMadane).","status":"published","published":"2026-06-30T18:46:12Z","modified":"2026-07-13T16:43:22.103406407Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/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","level":"low"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-02T15:46:40.308826Z"},{"id":"PYSEC-2026-2774","title":"Open Babel has an out-of-bounds read in CIF transform3d::DescribeAsString","description":"\u003e ### Summary\n\u003e\n\u003e A memory-safety vulnerability in Open Babel's CIF file format parser\n\u003e allowed an out-of-bounds read when reading a crafted input file.\n\u003e\n\u003e ### Details\n\u003e\n\u003e The flaw was in `OpenBabel::transform3d::DescribeAsString`. A malformed\n\u003e symmetry-operation string caused the parser to read past the end of its\n\u003e internal buffer while formatting the description.\n\u003e\n\u003e ### Impact\n\u003e\n\u003e Open Babel is a C++ library and CLI used to read and write chemistry\n\u003e file formats; it is shipped by Linux distributions and embedded in\n\u003e services that may parse untrusted input. Triggering this vulnerability\n\u003e requires the victim to open a malicious CIF file with the `obabel`\n\u003e tool, the OBConversion API, or any of the language bindings.\n\u003e\n\u003e ### Affected versions\n\u003e\n\u003e All releases up to and including 3.1.1.\n\u003e\n\u003e ### Patched version\n\u003e\n\u003e 3.2.0 (released 2026-05-26).\n\u003e\n\u003e ### Patch\n\u003e\n\u003e Fix commit: https://github.com/openbabel/openbabel/commit/e23a224b\n\u003e Tracked in #2862.\n\u003e\n\u003e A minimized reproducer for this CVE is checked in at\n\u003e `test/files/fuzz_regress/cve-2026-2704.cif` and is exercised on every\n\u003e CI build under ASAN+UBSAN by the `fuzzregresstest` harness.\n\u003e\n\u003e ### Credit\n\u003e\n\u003e Reported by Vedant Madane (@VedantMadane).","status":"published","published":"2026-07-13T15:46:25.276365Z","modified":"2026-07-13T16:32:06.286932343Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/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","level":"low"}],"updated_at":"2026-11-02T15:52:55.961245Z"},{"id":"UBUNTU-CVE-2026-2704","description":"A security vulnerability has been detected in Open Babel up to 3.1.1. The affected element is the function OpenBabel::transform3d::DescribeAsString of the file src/math/transform3d.cpp of the component CIF File Handler. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 3.2.0 is sufficient to fix this issue. The identifier of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is suggested to install a patch to address this issue.","status":"published","published":"2026-02-19T07:17:00Z","modified":"2026-10-28T20:17:19.421500341Z","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-2026:11096-1","title":"libopenbabel8-3.2.0-2.1 on GA media","description":"These are all security issues fixed in the libopenbabel8-3.2.0-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-06-22T00:00:00Z","modified":"2026-06-24T09:00:22.407486099Z","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"}]}}