FKIE_CVE-2026-2705

Vulnerability from fkie_nvd - Published: 2026-02-19 07:17 - Updated: 2026-02-19 20:12
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Summary
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 project was informed of the problem early through an issue report but has not responded yet.
References
cna@vuldb.comhttps://github.com/oneafter/0128/blob/main/ob2/repro.mol2Exploit
cna@vuldb.comhttps://github.com/openbabel/openbabel/issues/2848Exploit, Issue Tracking
cna@vuldb.comhttps://vuldb.com/?ctiid.346651Permissions Required, VDB Entry
cna@vuldb.comhttps://vuldb.com/?id.346651Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/?submit.754379Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
openbabel open_babel *
To clipboard 

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      "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 project was informed of the problem early through an issue report but has not responded yet."
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  "id": "CVE-2026-2705",
  "lastModified": "2026-02-19T20:12:43.107",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
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          "accessVector": "NETWORK",
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          "availabilityImpact": "PARTIAL",
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          "version": "2.0"
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          "modifiedAttackVector": "NOT_DEFINED",
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          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
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          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
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          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "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/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",
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          "value": "CWE-119"
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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