Description
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.
References (7)
Core 7
Core References
Permissions Required, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.348303
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.348303
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.763756
Issue Tracking issue-tracking
https://github.com/openbabel/openbabel/issues/2848
Issue Tracking issue-tracking
patch
https://github.com/openbabel/openbabel/pull/2862
Third Party Advisory exploit
https://github.com/oneafter/0128/blob/main/ob3/repro.cdxml
Scores
CVSS v3
4.3
EPSS
0.0038
EPSS Percentile
29.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-404
CWE-476
CWE-787
Status
published
Products (1)
openbabel/open_babel
< 3.1.1
Published
Mar 02, 2026
Tracked Since
Mar 02, 2026