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CVE Vulnerability Details :
CVE-2026-2705
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-19 Feb, 2026 | 05:02
Updated At-19 Feb, 2026 | 05:02
Rejected At-
▼CVE Numbering Authority (CNA)
Open Babel MOL2 File atom.h SetFormalCharge out-of-bounds

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.

Affected Products
Vendor
n/a
Product
Open Babel
Modules
  • MOL2 File Handler
Versions
Affected
  • 3.1.0
  • 3.1.1
Problem Types
TypeCWE IDDescription
CWECWE-125Out-of-Bounds Read
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-125
Description: Out-of-Bounds Read
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
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
3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
3.04.3MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
2.05.0N/A
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 5.3
Base severity: 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
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Version: 3.0
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 5.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
Oneafter (VulDB User)
Timeline
EventDate
Advisory disclosed2026-02-18 00:00:00
VulDB entry created2026-02-18 01:00:00
VulDB entry last update2026-02-18 19:10:11
Event: Advisory disclosed
Date: 2026-02-18 00:00:00
Event: VulDB entry created
Date: 2026-02-18 01:00:00
Event: VulDB entry last update
Date: 2026-02-18 19:10:11
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.346651
vdb-entry
technical-description
https://vuldb.com/?ctiid.346651
signature
permissions-required
https://vuldb.com/?submit.754379
third-party-advisory
https://github.com/openbabel/openbabel/issues/2848
issue-tracking
https://github.com/oneafter/0128/blob/main/ob2/repro.mol2
exploit
Hyperlink: https://vuldb.com/?id.346651
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.346651
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.754379
Resource:
third-party-advisory
Hyperlink: https://github.com/openbabel/openbabel/issues/2848
Resource:
issue-tracking
Hyperlink: https://github.com/oneafter/0128/blob/main/ob2/repro.mol2
Resource:
exploit
Details not found