CVE-2026-2705

LOW EPSS 48.5%
Published Feb 19, 20264mo ago · Modified Jun 17, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published Feb 19, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
2.1
Exploitability
—
Impact
—
Vector string
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
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
48.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-125 Out-of-bounds Read Memory Safety

Affected Products 1

VendorProductVersionRange
openbabelopen_babel* ≤3.1.1

References 7

  • github.com https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a
  • github.com https://github.com/oneafter/0128/blob/main/ob2/repro.mol2
    Exploit
  • github.com https://github.com/openbabel/openbabel/issues/2848
    ExploitIssue Tracking
  • github.com https://github.com/openbabel/openbabel/pull/2862
  • vuldb.com https://vuldb.com/?ctiid.346651
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.346651
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.754379
    Third Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.