{"id":"CVE-2026-2705","state":"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.","publishedAt":"2026-02-19T05:02:07.101Z","updatedAt":"2026-03-03T17:20:24.065Z","severity":{"score":5.3,"label":"Medium","version":"4.0","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","source":"VulDB"},"assigner":"VulDB","products":["n/a Open Babel"],"affected":[{"vendor":"n/a","product":"Open Babel","versions":[{"version":"3.1.0","status":"affected"},{"version":"3.1.1","status":"affected"}],"modules":["MOL2 File Handler"]}],"references":["https://vuldb.com/?id.346651","https://vuldb.com/?ctiid.346651","https://vuldb.com/?submit.754379","https://github.com/openbabel/openbabel/issues/2848","https://github.com/openbabel/openbabel/pull/2862","https://github.com/oneafter/0128/blob/main/ob2/repro.mol2","https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a"],"weaknesses":["CWE-125","CWE-119"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/2xxx/CVE-2026-2705.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2705","state":"PUBLISHED","datePublished":"2026-02-19T05:02:07.101Z","dateUpdated":"2026-03-03T17:20:24.065Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-02-18T18:05:04.203Z"},"containers":{"cna":{"title":"Open Babel MOL2 File atom.h SetFormalCharge out-of-bounds","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"Open Babel","versions":[{"version":"3.1.0","status":"affected"},{"version":"3.1.1","status":"affected"}],"modules":["MOL2 File Handler"]}],"references":[{"url":"https://vuldb.com/?id.346651","name":"VDB-346651 | Open Babel MOL2 File atom.h SetFormalCharge out-of-bounds","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.346651","name":"VDB-346651 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.754379","name":"Submit #754379 | openbabel master-branch NULL Pointer Dereference","tags":["third-party-advisory"]},{"url":"https://github.com/openbabel/openbabel/issues/2848","tags":["issue-tracking"]},{"url":"https://github.com/openbabel/openbabel/pull/2862","tags":["issue-tracking","patch"]},{"url":"https://github.com/oneafter/0128/blob/main/ob2/repro.mol2","tags":["exploit"]},{"url":"https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a","tags":["patch"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":4.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":4.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","type":"CWE","lang":"en","description":"Out-of-Bounds Read"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-03-01T07:07:44.790Z"},"timeline":[{"time":"2026-02-18T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-02-18T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-03-01T08:12:04.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Oneafter (VulDB User)","type":"reporter"}],"tags":["x_open-source"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-23T18:45:13.326320Z","id":"CVE-2026-2705","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-03T17:20:24.065Z"}}]}}}