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CVE Vulnerability Details :
CVE-2026-3408
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-02 Mar, 2026 | 03:32
Updated At-02 Mar, 2026 | 14:39
Rejected At-
▼CVE Numbering Authority (CNA)
Open Babel CDXML File atom.cpp GetExplicitValence null pointer dereference

A vulnerability was identified in Open Babel up to 3.1.1. This impacts the function OBAtom::GetExplicitValence of the file isrc/atom.cpp of the component CDXML File Handler. Such manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit is publicly available and might be used. The name of the patch is e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a. It is best practice to apply a patch to resolve this issue.

Affected Products
Vendor
n/a
Product
Open Babel
Modules
  • CDXML File Handler
Versions
Affected
  • 3.1.0
  • 3.1.1
Problem Types
TypeCWE IDDescription
CWECWE-476NULL Pointer Dereference
CWECWE-404Denial of Service
Type: CWE
CWE ID: CWE-476
Description: NULL Pointer Dereference
Type: CWE
CWE ID: CWE-404
Description: Denial of Service
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:O/RC:C
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:O/RC:C
2.05.0N/A
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C
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:O/RC:C
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:O/RC:C
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:OF/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
Oneafter (VulDB User)
Timeline
EventDate
Advisory disclosed2026-03-01 00:00:00
VulDB entry created2026-03-01 01:00:00
VulDB entry last update2026-03-01 08:16:29
Event: Advisory disclosed
Date: 2026-03-01 00:00:00
Event: VulDB entry created
Date: 2026-03-01 01:00:00
Event: VulDB entry last update
Date: 2026-03-01 08:16:29
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.348303
vdb-entry
technical-description
https://vuldb.com/?ctiid.348303
signature
permissions-required
https://vuldb.com/?submit.763756
third-party-advisory
https://github.com/openbabel/openbabel/issues/2848
issue-tracking
https://github.com/openbabel/openbabel/pull/2862
issue-tracking
patch
https://github.com/oneafter/0128/blob/main/ob3/repro.cdxml
exploit
https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a
patch
Hyperlink: https://vuldb.com/?id.348303
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.348303
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.763756
Resource:
third-party-advisory
Hyperlink: https://github.com/openbabel/openbabel/issues/2848
Resource:
issue-tracking
Hyperlink: https://github.com/openbabel/openbabel/pull/2862
Resource:
issue-tracking
patch
Hyperlink: https://github.com/oneafter/0128/blob/main/ob3/repro.cdxml
Resource:
exploit
Hyperlink: https://github.com/VedantMadane/openbabel/commit/e23a224b8fd9d7c2a7cde9ef4ec6afb4c05aa08a
Resource:
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found