CVE-2026-2705CWE-119CWE-125

Open Babel MOL2 File atom.h SetFormalCharge out-of-bounds

Medium · published February 19, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
58.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.00884 · 58.8th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-125 · Out-of-bounds Read
Published
2026-02-19T05:02Z
EPSS history
Timeline
  • 19 FEB 05:02Z
    Open Babel MOL2 File atom.h SetFormalCharge out-of-bounds
    cvelistv5